Lots-of-LoRAs/task1422_mathqa_physics huggingface dataset:
Input: Problem: find avrg speed if a man travels at speed of 15 km / hr up and 28 km / hr dawn at an altitude of 230 m . 
Options: a ) 25.8 , b ) 19.5 , c ) 18.0 , d ) 12.2 , e ) 29.8
Output: b
Input: Problem: car a runs at the speed of 50 km / hr & reaches its destination in 6 hr . car b runs at the speed of 100 km / h & reaches its destination in 1 h . what is the respective ratio of distances covered by car a & car b ? 
Options: a ) 11 : 5 , b ) 3 : 1 , c ) 13 : 7 , d ) 15 : 7 , e ) 16 : 9
Output: b
Input: Problem: a pump can fill a tank with water in 2 hours . because of a leak , it took 2 1 / 7 hours to fill the tank . the leak can drain all the water of the tank in ? 
Options: a ) 17 hr , b ) 19 hr , c ) 10 hr , d ) 24 hr , e ) 30 hr
Output: e
Input: Problem: jerry and beth each drove from smallville to crown city by different routes . jerry drove an an average speed of 40 miles per hour and completed the trip in 30 minutes . beth ' s route was 5 miles longer , and it took her 20 minutes more than jerry to complete the trip . how many miles per hour was beth ' s average speed on this trip ? 
Options: a ) 24 , b ) 30 , c ) 48 , d ) 54 , e ) 75
Output: b
Input: Problem: one pipe can fill a tank three times as fast as another pipe . if together the two pipes can fill tank in 35 min , then the slower pipe alone will be able to fill the tank in ? 
Options: a ) 229 , b ) 787 , c ) 144 , d ) 128 , e ) 140
Output: e
Input: Problem: a contract is to be completed in 46 days sad 117 men were said to work 8 hours a day . after 33 days , ( 4 / 7 ) of the work is completed . how many additional men may be employed so that the work may be completed in time , each man now working 9 hours a day ? 
Options: a ) 91 , b ) 87 , c ) 85 , d ) 81 , e ) none of them
Output: d
Input: Problem: 63 men working 8 hours per day dig 30 m deep . how many extra men should be put to dig to a depth of 50 m working 6 hours per day ? 
Options: a ) a ) 87 , b ) b ) 77 , c ) c ) 66 , d ) d ) 55 , e ) e ) 97
Output: b
Input: Problem: two cars are driving toward each other . the first car is traveling at a speed of 60 km / h , which is 25 % slower than the second car ' s speed . if the distance between the cars is 770 km , how many hours will it take until the two cars meet ? 
Options: a ) 4 , b ) 4.5 , c ) 5 , d ) 5.5 , e ) 6
Output: d
Input: Problem: a can do a job in 20 days and b can do it in 30 days . a and b working together will finish twice the amount of work in - - - - - - - days ? 
Options: a ) 14 days , b ) 16 days , c ) 24 days , d ) 11 days , e ) 19 days
Output: c
Input: Problem: a sprinter starts running on a circular path of radius r metres . her average speed ( in metres / minute ) is π r during the first 30 seconds , π r / 2 during next one minute , π r / 4 during next 2 minutes , π r / 8 during next 4 minutes , and so on . what is the ratio of the time taken for the nth round to that for the previous round ? 
Options: a ) 4 , b ) 8 , c ) 16 , d ) 32 , e ) 36
Output: c
Input: Problem: arun and tarun can do a work in 10 days . after 4 days tarun went to his village . how many days are required to complete the remaining work by arun alone . arun can do the work alone in 70 days . 
Options: a ) 16 days . , b ) 17 days . , c ) 18 days . , d ) 19 days . , e ) 42 days .
Output: e
Input: Problem: 1000 men have provisions for 17 days . if 500 more men join them , for how many days will the provisions last now ? 
Options: a ) 12.9 , b ) 12.5 , c ) 11.3 , d ) 12.2 , e ) 12.1
Output: c
Input: Problem: a van takes 6 hours to cover a distance of 378 km . how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ? 
Options: a ) 50 kmph , b ) 60 kmph , c ) 70 kmph , d ) 42 kmph , e ) 90 kmph
Output: d
Input: Problem: how many seconds will a 550 m long train take to cross a man walking with a speed of 3 km / hr in the direction of the moving train if the speed of the train is 63 km / hr ? 
Options: a ) 12 sec , b ) 30 sec , c ) 33 sec , d ) 16 sec , e ) 18 sec
Output: c
Input: Problem: in a garden , there are 10 rows and 12 columns of mango trees . the distance between the two trees is 2 metres and a distance of two metres is left from all sides of the boundary of the garden . what is the length of the garden ? 
Options: a ) 22 , b ) 24 , c ) 26 , d ) 28 , e ) 30
Output: c
Input: Problem: a boy is travelling from his home to school at 5 km / hr and reached 5 min late . next day he travelled at 10 km / hr and reached 10 min early . distance between home and school ? 
Options: a ) 2.5 km , b ) 3 km , c ) 4 km , d ) 5.6 km , e ) 6.5 km
Output: a
Input: Problem: a is twice as good a workman as b and they took 9 days together to do the work b alone can do it in . 
Options: a ) 17 days , b ) 12 days , c ) 29 days , d ) 25 days , e ) 27 days
Output: e
Input: Problem: mahesh can do a piece of work in 60 days . he works at it for 20 days and then rajesh finished it in 30 days . how long will y take to complete the work ? 
Options: a ) 45 , b ) 25 , c ) 37 , d ) 41 , e ) 30
Output: a
Input: Problem: john and beth each drove from smallville to crown city by different routes . john drove an an average speed of 40 miles per hour and completed the trip in 30 minutes . beth ' s route was 5 miles longer , and it took her 20 minutes more than john to complete the trip . how many miles per hour was beth ' s average speed on this trip ? 
Options: a ) 24 , b ) 30 , c ) 48 , d ) 54 , e ) 75
Output: b
Input: Problem: find the distance covered by a man walking for 72 min at a speed of 10 km / hr ? 
Options: a ) 12 km , b ) 3 km , c ) 4 km , d ) 5 km , e ) 6 km
Output: a
Input: Problem: a train 250 m long is running at a speed of 27 km / hr . in what time will it pass a bridge 200 m long ? 
Options: a ) 40 , b ) 45 , c ) 50 , d ) 55 , e ) 60
Output: e
Input: Problem: if a clock strikes 12 in 33 seconds , it will strike 6 in how many seconds ? 
Options: a ) 33 ⁄ 2 , b ) 15 , c ) 12 , d ) 22 , e ) none of these
Output: b
Input: Problem: carl can wash all the windows of his house in 6 hours . his wife maggie can wash all the windows in 6 hours . how many hours will it take for both of them working together to wash all the windows ? 
Options: a ) 2 , b ) 2 1 / 4 , c ) 3 , d ) 4 1 / 2 , e ) 5
Output: c
Input: Problem: in what time will a train 175 m long cross an electric pole , it its speed be 144 km / hr ? 
Options: a ) 2.58 sec , b ) 2.91 sec , c ) 4.37 sec , d ) 2.9 sec , e ) 1.8 sec
Output: c
Input: Problem: two trains of length 100 m and 200 m are 100 m apart . they start moving towards each other on parallel tracks , at speeds 36 kmph and 72 kmph . in how much time will the trains cross each other ? 
Options: a ) 40 / 6 , b ) 40 / 3 , c ) 40 / 9 , d ) 40 / 2 , e ) 40 / 1
Output: b
Input: Problem: a train 240 m in length crosses a telegraph post in 16 seconds . the speed of the train is ? 
Options: a ) 77 kmph , b ) 55 kmph , c ) 54 kmph , d ) 58 kmph , e ) 76 kmph
Output: c
Input: Problem: a train 150 m long takes 6 sec to cross a man walking at 5 kmph in a direction opposite to that of the train . find the speed of the train ? 
Options: a ) 75 kmph , b ) 85 kmph , c ) 95 kmph , d ) 105 kmph , e ) 115 kmph
Output: b
Input: Problem: a and b together can do a work in 8 days . a alone can do it in 12 days . what time b will take to do the work alone ? 
Options: a ) 6 days , b ) 8 days , c ) 12 days , d ) 24 days , e ) 25 days
Output: d
Input: Problem: a and b can finish a work 30 days if they work together . they worked together for 20 days and then b left . a finished the remaining work in another 20 days . in how many days a alone can finish the work ? 
Options: a ) 30 , b ) 60 , c ) 40 , d ) 20 , e ) 50
Output: b
Input: Problem: there are 12 stations between ernakulam and chennai . how many second class tickets have to be printed , so that a passenger can travel from one station to any other station ? 
Options: a ) 132 , b ) 145 , c ) 165 ` , d ) 400 , e ) 300
Output: a
Input: Problem: a train 200 m long can cross an electric pole in 5 sec and then find the speed of the train ? 
Options: a ) 114 , b ) 124 , c ) 134 , d ) 144 , e ) 154
Output: d
Input: Problem: if 50 apprentices can finish a job in 4 hours , and 30 journeymen can finish the same job in 5 hours , how much of the job should be completed by 10 apprentices and 15 journeymen in one hour ? 
Options: a ) 1 / 9 , b ) 29 / 180 , c ) 26 / 143 , d ) 3 / 20 , e ) 39 / 121
Output: d
Input: Problem: the length of a rectangular plot is 20 metres more than its breadth . if the cost of fencing the plot @ rs . 26.50 per metre is rs . 6095 , what is the length of the plot in metres ? 
Options: a ) 333 , b ) 200 , c ) 230 , d ) 276 , e ) 1999
Output: c
Input: Problem: a , b and c can do a piece of work in 24 days , 30 days and 60 days respectively . they began the work together but c left 4 days before the completion of the work . in how many days was the work completed ? 
Options: a ) 10 days , b ) 11 days , c ) 13 days , d ) 21 days , e ) 31 days
Output: b
Input: Problem: if a is thrice as fast as b and together can do a work in 21 days . in how many days a alone can do the work ? 
Options: a ) 36 , b ) 42 , c ) 28 , d ) 54 , e ) 45
Output: c
Input: Problem: what is the distance between two parallel chords of length 32 cm and 24 cm in a circle of radius 20 cm ? 
Options: ['a ) 1 or 7', 'b ) 3 or 21', 'c ) 4 or 28', 'd ) 2 or 14', 'e ) 5 or 14']
Output: c
Input: Problem: working at constant rate , pump x pumped out half of the water in a flooded basement in 7 hours . the pump y was started and the two pumps , working independently at their respective constant rates , pumped out rest of the water in 3 hours . how many hours would it have taken pump y , operating alone at its own constant rate , to pump out all of the water that was pumped out of the basement ? 
Options: a ) a . 10 , b ) b . 12 , c ) c . 34 , d ) d . 18 , e ) e . 24
Output: c
Input: Problem: a boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes . how long will it take to go 5 km in stationary water ? 
Options: a ) 40 minutes , b ) 1 hour , c ) 1 hour 15 min , d ) 1 hour 30 min , e ) 1 hour 10 min
Output: c
Input: Problem: a train covers a distance of 12 km in 10 minutes . if it takes 4 seconds to pass a telegraph post , then the length of the train is 
Options: a ) 80 m , b ) 120 m , c ) 140 m , d ) 160 m , e ) 170 cm
Output: a
Input: Problem: a courtyard is 21 meter long and 14 meter board is to be paved with bricks of dimensions 14 cm by 8 cm . the total number of bricks required is : 
Options: a ) 16000 , b ) 18000 , c ) 20000 , d ) 26250 , e ) none of these
Output: d
Input: Problem: the speed of a train is 80 kmph . what is the distance covered by it in 6 minutes ? 
Options: a ) 15 kmph , b ) 11 kmph , c ) 18 kmph , d ) 8 kmph , e ) 12 kmph
Output: d
Input: Problem: if a takes x days to do a work then b takes 2 x days to do the same work then with in how many day ' s a will alone complete this work ? 
Options: a ) 27 , b ) 23 , c ) 24 , d ) 25 , e ) 26
Output: a
Input: Problem: the dimensions of an open box are 50 cm , 40 cm and 23 cm . its thickness is 2 cm . if 1 cubic cm of metal used in the box weighs 0.5 gms , find the weight of the box . 
Options: ['a ) 8.04 kg', 'b ) 8.14 kg', 'c ) 8.24 kg', 'd ) 9.04 kg', 'e ) none of these']
Output: a
Input: Problem: a man cycling along the road noticed that every 3 minutes a bus overtakes him and every 9 minutes he meets an oncoming bus . if all buses and the cyclist move at a constant speed , what is the time interval between consecutive buses ? 
Options: a ) 5 minutes , b ) 6 minutes , c ) 8 minutes , d ) 9 / 2 minutes , e ) 10 minutes
Output: d
Input: Problem: two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds . the ratio of their speeds is ? 
Options: a ) 3 / 7 , b ) 3 / 2 , c ) 3 / 5 , d ) 3 / 1 , e ) 3 / 3
Output: b
Input: Problem: with a uniform speed a car covers the distance in 8 hours . had the speed been increased by 5 km / hr , the same distance could have been covered in 7 1 / 2 hours . what is the distance covered ? 
Options: a ) 187 km , b ) 480 km , c ) 278 km , d ) 297 km , e ) 600 km
Output: e
Input: Problem: p can lay railway track between two stations in 16 days . q can do the same job in 12 days . with the help of r , they completes the job in 4 days . how much days does it take for r alone to complete the work ? 
Options: a ) 9 days , b ) 9 ( 3 / 5 ) days , c ) 11 1 / 5 days , d ) 13 days , e ) 13 1 / 7
Output: b
Input: Problem: the perimeter of a semi circle is 198 cm then the radius is ? 
Options: a ) 22 , b ) 28 , c ) 98 , d ) 38.5 , e ) 13
Output: d
Input: Problem: due to construction , the speed limit along an 5 - mile section of highway is reduced from 40 miles per hour to 22 miles per hour . approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ? 
Options: a ) a ) 3.12 , b ) b ) 8 , c ) c ) 10 , d ) d ) 15 , e ) e ) 6.13
Output: e
Input: Problem: the speed of a car is 95 km in the first hour and 60 km in the second hour . what is the average speed of the car ? 
Options: a ) 76 kmph , b ) 75 kmph , c ) 77.5 kmph , d ) 56 kmph , e ) 86 kmph
Output: c
Input: Problem: working alone , a can complete a certain kind of job in 6 hours . a and d , working together at their respective rates , can complete one of these jobs in 4 hours . in how many hours can d , working alone , complete one of these jobs ? 
Options: a ) 8 , b ) 10 , c ) 12 , d ) 14 , e ) 16
Output: c
Input: Problem: the length of a train and that of a platform are equal . if with a speed of 108 k / hr , the train crosses the platform in one minute , then the length of the train ( in meters ) is ? 
Options: a ) 299 , b ) 266 , c ) 299 , d ) 900 , e ) 261
Output: d
Input: Problem: eden drove an average speed of 15 miles per hour for the first 20 miles of a tripthen at a average speed of 30 miles / hr for the remaining 20 miles of the trip if she made no stops during the trip what was eden ' s avg speed in miles / hr for the entire trip 
Options: a ) 35 , b ) 20 , c ) 45 , d ) 50 , e ) 55
Output: b
Input: Problem: a and b go around a circular track of length 600 m on a cycle at speeds of 36 kmph and 60 kmph . after how much time will they meet for the first time at the starting point ? 
Options: a ) 120 sec , b ) 176 sec , c ) 178 sec , d ) 187 sec , e ) 180 sec
Output: e
Input: Problem: two trains of length 100 m and 200 m are 100 m apart . they start moving towards each other on parallel tracks , at speeds 54 kmph and 72 kmph . in how much time will the trains cross each other ? 
Options: a ) 70 / 7 sec , b ) 80 / 7 sec , c ) 40 / 7 sec , d ) 60 / 7 sec , e ) 90 / 7 sec
Output: b
Input: Problem: a car started running at a speed of 30 km / hr and the speed of the car was increased by 2 km / hr at the end of every hour . find the total distance covered by the car in the first 9 hours of the journey . 
Options: a ) 342 km , b ) 352 km , c ) 642 km , d ) 742 km , e ) 382 km
Output: a
Input: Problem: a garrison of 2000 men has provisions for 62 days . at the end of 15 days , a reinforcement arrives , and it is now found that the provisions will last only for 20 days more . what is the reinforcement ? 
Options: a ) 1977 , b ) 1893 , c ) 2700 , d ) 1900 , e ) 1278
Output: c
Input: Problem: a and b can do a piece of work in 3 days , b and c in 4 days , c and a in 6 days . how long will c take to do it ? 
Options: a ) 33 , b ) 77 , c ) 24 , d ) 55 , e ) 71
Output: c
Input: Problem: walking at the rate of 3 kmph a man cover certain distance in 6 hr 40 min . running at a speed of 18 kmph the man will cover the same distance in . 
Options: a ) 40 min , b ) 25 min , c ) 54 min , d ) 65 min , e ) 58 min
Output: c
Input: Problem: find the l . c . m of 16 , 25 , 24 and 10 . 
Options: a ) 1000 , b ) 1400 , c ) 1320 , d ) 1200 , e ) 1650
Output: d
Input: Problem: lamp a flashes every 6 seconds , lamp b flashes every 8 seconds , lamp c flashes every 10 seconds . at a certain instant of time all 3 lamps flash simultaneously . during the period of 6 minutes after that how many times will exactly two lamps flash ? ( please include any flash of exactly two lights which occurs at the 6 minute mark . ) 
Options: a ) 24 , b ) 25 , c ) 26 , d ) 27 , e ) 28
Output: d
Input: Problem: in what time will a train 120 m long cross an electric pole , it its speed be 160 km / hr ? 
Options: a ) 2.5 sec , b ) 2.9 sec , c ) 2.7 sec , d ) 8.7 sec , e ) 8.5 sec
Output: c
Input: Problem: a train covers a distance of 100 km in 1 hour . if its speed is decreased by 10 km / hr , the time taken by the car to cover the same distance will be ? 
Options: a ) 1 hr , b ) 1 hr 6 min , c ) 50 min , d ) 1 hr 30 min , e ) 1 hr 45 min
Output: b
Input: Problem: if the speed of a man is 45 km per hour , then what is the distance traveled by him in 30 seconds ? 
Options: a ) 275 m , b ) 360 m , c ) 375 m , d ) 420 m , e ) 480 m
Output: c
Input: Problem: in what time will a train 80 m long cross an electric pole , it its speed be 144 km / hr ? 
Options: a ) 2.0 sec , b ) 2.8 sec , c ) 7.5 sec , d ) 2.3 sec , e ) 1.5 sec
Output: a
Input: Problem: the distance between two cities a and b is 330 km . a train starts from a at 8 a . m . and travels towards b at 60 km / hr . another train starts from b at 9 a . m . and travels towards a at 75 km / hr . at what time do they meet ? 
Options: a ) 12 , b ) 10 , c ) 11 , d ) 09 , e ) 03
Output: c
Input: Problem: a can do a piece of work in 8 days and b alone can do it in 12 days . how much time will both take to finish the work ? 
Options: a ) a ) 4.8 , b ) b ) 6.333 , c ) c ) 7.333 , d ) d ) 8.5 , e ) e ) 9
Output: a
Input: Problem: a can do a piece of work in 6 days . b can do it in 5 days . with the assistance of c they completed the work in 2 days . find in how many days can c alone do it ? 
Options: a ) 8.7 days , b ) 2.0 days , c ) 6.6 days , d ) 7.5 days , e ) 4.4 days
Output: d
Input: Problem: how long does a train 110 m long running at the speed of 54 km / hr takes to cross a bridge 132 m length ? 
Options: a ) 12.9 sec , b ) 12.1 sec , c ) 17.9 sec , d ) 16.13 sec , e ) 14.9 sec
Output: d
Input: Problem: to asphalt 1 km road , 30 men spent 12 days working 8 hours per day . how many days , 20 men will spend to asphalt a road of 2 km working 10 hours a day ? 
Options: a ) 28.8 , b ) 30 , c ) 32 , d ) 34 , e ) 36
Output: a
Input: Problem: the time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream . if the speed of the boat in still water is 57 kmph , find the speed of the stream ? 
Options: a ) 15 , b ) 17 , c ) 19 , d ) 18 , e ) 16
Output: c
Input: Problem: a train which has 440 m long , is running 45 kmph . in what time will it cross a person moving at 9 kmph in same direction ? 
Options: a ) 56 sec , b ) 44 sec , c ) 36 sec , d ) 29 sec . , e ) 19 sec .
Output: b
Input: Problem: tom , working alone , can paint a room in 6 hours . peter and john , working independently , can paint the same room in 3 hours and 8 hours , respectively . tom starts painting the room and works on his own for one hour . he is then joined by peter and they work together for an hour . finally , john joins them and the three of them work together to finish the room , each one working at his respective rate . what fraction of the whole job was done by peter ? 
Options: a ) 7 / 15 , b ) 11 / 25 , c ) 17 / 35 , d ) 23 / 45 , e ) 27 / 55
Output: d
Input: Problem: calculate the circumference of a circular field whose radius is 8 centimeters . 
Options: a ) 17 π cm , b ) 18 π cm , c ) 1 π cm , d ) 16 π cm , e ) 6 π cm
Output: d
Input: Problem: a 90 cm long wire is to be cut into two pieces so that one piece will be 2 / 5 th of the other , how many centimeters will the shorter piece be ? 
Options: a ) 25 , b ) 20 , c ) 47 , d ) 36 , e ) 30
Output: a
Input: Problem: along a yard 255 metres long , 18 trees are palnted at equal distances , one tree being at each end of the yard . what is the distance between two consecutive trees 
Options: a ) 18 , b ) 15 , c ) 10 , d ) 11 , e ) 12
Output: b
Input: Problem: a honey bee flies for 10 seconds , from a daisy to a rose . it immediately continues to a poppy , flying for 6 additional seconds . the distance the bee passed , flying from the daisy to the rose is 18 meters longer than the distance it passed flying from the rose to the poppy . the bee flies to the poppy at 3 meters per second faster than her speed flying to the rose . the bee flies how many meters per second from the daisy to the rose ? 
Options: a ) 1.4 , b ) 1.5 , c ) 1.6 , d ) 1.8 , e ) 1.0
Output: d
Input: Problem: a bus 15 m long is running with a speed of 40 km / hr . in what time will it pass a man who is skateboarding at 8 km / hr in the direction opposite to that in which the car is going ? 
Options: a ) 1.125 , b ) 1.5 , c ) 1.75 , d ) 1.25 , e ) 1
Output: a
Input: Problem: if 5 cats can kill 5 rats in 5 minutes , how long will it take 100 cats to kill 100 rats ? 
Options: a ) 1 minutes , b ) 2 minutes , c ) 3 minutes , d ) 4 minutes , e ) 5 minutes
Output: e
Input: Problem: a , b and c can do a work in 6 , 8 and 12 days respectively doing the work together and get a payment of rs . 1800 . what is b ’ s share ? 
Options: a ) 300 , b ) 245 , c ) 600 , d ) 743 , e ) 215
Output: c
Input: Problem: working together , a and b can do a job in 6 days . b and c can do the same job in 10 days , while c and a can do it in 7.5 days . how long will it take if all a , b and c work together to complete the job ? 
Options: a ) 4 days , b ) 5 days , c ) 8 days , d ) 9 days , e ) 10 days
Output: b
Input: Problem: a man sitting in a train which is travelling at 64 kmph observes that a goods train travelling in a opposite direction , takes 18 seconds to pass him . if the goods train is 420 m long , find its speed . 
Options: a ) 32 , b ) 15 , c ) 18 , d ) 20 , e ) 25
Output: d
Input: Problem: jack and jill work at a hospital with 3 other workers . for an internal review , 2 of the 5 workers will be randomly chosen to be interviewed . what is the probability that jack and jill will both be chosen ? 
Options: a ) 1 / 3 , b ) 1 / 10 , c ) 1 / 15 , d ) 3 / 8 , e ) 2 / 3
Output: b
Input: Problem: 1200 men have provisions for 15 days . if 200 more men join them , for how many days will the provisions last now ? 
Options: a ) 12.85 , b ) 12.62 , c ) 12.5 , d ) 12.24 , e ) 12.1
Output: a
Input: Problem: the speed of the boat in still water in 12 kmph . it can travel downstream through 42 kms in 3 hrs . in what time would it cover the same distance upstream ? 
Options: a ) 8 hours , b ) 6 hours , c ) 4.2 hours , d ) 5 hours , e ) 6 hours
Output: c
Input: Problem: pipe a fills a tank of capacity 950 liters at the rate of 40 liters a minute . another pipe b fills the same tank at the rate of 30 liters a minute . a pipe at the bottom of the tank drains the tank at the rate of 20 liters a minute . if pipe a is kept open for a minute and then closed and pipe b is open for a minute and then closed and then pipe c is open for a minute and then closed and the cycle is repeated , when will the tank be full ? 
Options: a ) 57 minutes , b ) 14 minutes , c ) 39 minutes , d ) 40 minutes 20 seconds , e ) none of these
Output: a
Input: Problem: at their respective rates , pump a , b , and c can fulfill an empty tank , or pump - out the full tank in 2 , 3 , and 6 hours . if a and b are used to pump - out water from the half - full tank , while c is used to fill water into the tank , in how many hours , the tank will be empty ? 
Options: a ) 2 / 3 , b ) 1 , c ) 3 / 4 , d ) 3 / 2 , e ) 2
Output: c
Input: Problem: a train 125 m long passes a man , running at 8 km / hr in the same direction in which the train is going , in 10 seconds . the speed of the train is : 
Options: a ) 53 , b ) 50 , c ) 99 , d ) 288 , e ) 12
Output: a
Input: Problem: a river 2 m deep and 45 m wide is flowing at the rate of 2 kmph the amount of water that runs into the sea per minute is ? 
Options: a ) 3000 m 3 , b ) 4580 m 3 , c ) 18500 m 3 , d ) 4900 m 3 , e ) 4700 m 3
Output: a