MU-NLPC/Calc-aqua_rat huggingface dataset:
The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.144. Find the principal?	Options:
A) 3377  B) 2997  C) 3600  D) 2799  E) 7719

Solution: P = 144(100/5)2 => P   = 3600   Answer:3600
Answer: C
A computer program generates a single digit by a random process, according to which the probability of generating any digit is directly proportional to the reciprocal of one more than that digit. If all digits are possible to generate, then the probability E of generating an odd prime digit is between Choose the correct option.
A) 0 and 1/6 B) 1/6 and 1/3 C) 1/3 and 1/2 D) 1/2 and 2/3 E) 2/3 and 5/6

Solution: K (1 + 1/2 + 1/3 + 1/4 + 1/5 + 1/6 + 1/7 + 1/8 + 1/9+ 1/10) =1   Note that 1/10 is least value and is equal to 0.1 so we can write above series as   K (1+0.5+0.3+0.25+0.2+0.16+0.5+residual) = 1   K=1/3+   P (3 or 5 or 7) =K*13/24   Required probability E= 13/24 × 1/3+ = 4+/24 > 1/6   Answer should be B   P.s. 3+ denotes a value little greater than 3 .   Same for 4+.
Answer: B
A rhombus has area 432 sq m, one diagonal is 36 cm. find other diagonal ? Choose the correct option
A) 2400m
B) 2500m
C) 2600m
D) 2700m
E) 2900m

Solution: area of rhombus =1/2*d1*d2   432=1/2*d1*.36   d1=2400m   2400mNSWER:2400m
Answer: A
In the Forestside summer camp there are 50 children. 90% of the children are boys and the rest are girls. The camp administrator decided to make the number of girls only 5% of the total number of children in the camp. How many more boys must she bring to make that happen?  Choose the correct choice from the following:
A) 50.	B) 45.	C) 40.	D) 30.	E) 25.

Solution: Given there are 50 students In the Forestside summer camp , 90% of 50 = 45 boys and remaining 5 girls.   Now here 90% are Boys and 10% are Girls.   Now question is asking about how many boys do we need to add, to make the girls percentage to 5 or 5%..   If we add 50 to existing 45 then the count will be 95 and the girls number will be 5 as it.   Now boys are 95% and girls are 5%. ( out of 100 students = 95 boys + 5 girls ).   IMO option 50. is correct.
Answer: A
Sandy gets 3 marks for each correct sum and loses 2 marks for each incorrect sum. Sandy attempts 30 sums and obtains 65 marks. How many sums did Sandy get correct?	Choose the correct answer:
A) 19
B) 21
C) 23
D) 25
E) 27

Solution: Let x be the correct sums and (30-x) be the incorrect sums.   3x - 2(30-x) = 65   5x = 125   x = 25   The answer is 25.
Answer: D
Length of a rectangular plot is 26 mtr more than its breadth. If the cost of fencin gthe plot at 26.50 per meter is Rs. 5300, what is the length of the plot in mtr?	Choose the correct choice:
A) 53 m
B) 63 m
C) 73 m
D) 83 m
E) 93 m

Solution: Let breadth = x metres.   Then, length = (x + 26) metres.   Perimeter = 5300 m = 200 m.   26.50   2[(x + 26) + x] = 200   2x + 26 = 100   2x = 74   x = 37   Hence, length = x + 26 = 63 m   63 m
Answer: B
A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 15%. Staff are allowed a further 10% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?
Choose one.
A) 0.75D B) 0.76D C) 0.765D D) 0.775D E) 0.805D

Solution: Successive doscounts = - a - b +ab/100   Putting the values,   Total discount = -15 - 10 + 150/100 = -25 + 1.5 = 23.5% discount   Hence the final price of the dress = D - 0.235D = 0.765D   0.765Dorrect Option: 0.765D
Answer: C
George is 8 years more than Christopher and Ford is 2 years younger than Christopher. The sum of their ages is 60. Find the ages of Christopher.	Choose the correct answer:
A) 18
B) 19
C) 20
D) 21
E) 22

Solution: Christopher age = x   George age, y = x + 8---------->(1)   Ford age, z = x - 2------------>(2)   Sum of their ages, x+y+z=60---->(3)   Substitute z and y values in equation (3)   Therefore, x+(x+8)+(x-2)=60   => 3x+8-2=60   => 3x=60-6   => 3x=54 =>x=54/3= 
54/3 = 18
18   18NSWER:18
Answer: A
The ratio of investments of two partners P and Q is 7:5 and the ratio of their profits is 7:10. If P invested the money for 7 months, find for how much time did Q invest the money? Choose the correct choice from the following options
A) 11
B) 10
C) 18
D) 16
E) 14

Solution: 7*5: 7*x = 7:10   x = 14   Answer:14
Answer: E
How many 3-digit numerals end with a digit that represents a prime number?	Select the correct option:  A) 16  B) 80  C) 160  D) 180  E) 400

Solution: prime digits 2,3,5 and 7.   three digit numbers _ _ _   1st place can be filled in 4 ways   2nd place can be filled in 10 ways   3rd place can be filled in 10 ways   Total=4*10*10= 
4*10*10 = 400
400   Ans : 400
Answer: E
A person was asked to state his age in years. His reply was , "Take my age 3 years hence, multiply it by 4 and subtract 4 times my age 3 years ago and you will know how old I am." What was the age of the person ? Choices.
A) 18 B) 92 C) 27 D) 24 E) 19

Solution: Explanation:   Let the present age of person be x years.   Then, 4(x + 3) - 4(x - 3 ) = x <=> (4x + 12) - (4x - 12) = x <=> x = 24..   Answer: 24
Answer: D
A comittee of three people is to be chosen from four married couples. What is the number of different comittees that can be chosen if two people who are married to each other cannot both serve on the comittee.	Select the correct option
A) 16
B) 24
C) 26
D) 30
E) 32

Solution: Steps to the answer:   - Set up the Slots -> _ _ _ (3 choices)   - put in the numbers and multiply:  8*6*4= 
 8*6*4 = 192
192   The right answer choice is 32.
Answer: E
A dishonest dealer professes to sell goods at the cost price but uses a weight of 800 grams per kg, what is his percent?	Choose the correct choice from the following answers:
A) 22
B) 25
C) 66
D) 77
E) 91

Solution: 800 --- 200   100 --- ? => 25%   Answer: 25
Answer: B
A 250 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train?	Options.
A) 230 m B) 240 m C) 250 m D) 320 m E) 330 m

Solution: Relative speed = (120 + 80) km/hr   =	(200 x(5/18))m/sec   =	(500/9)m/sec.   Let the length of the other train be x metres.   Then,	(x + 250)/9 = 500/9   x + 250 = 500   x = 250.   250 m
Answer: C
In the x- y plane, there are 4 points (0,0), (0,4), (4,4), and (4,0). If these 4 points makes a rectangle, what is the probability that x+y<4?
Choose the correct choice from the following choices
A) 1/2 B) 1/3 C) 1/4 D) 1/5 E) 1/6

Solution: If x+y<4, then y<-x+4.   The line y=-x+4 intersects the rectangle and these three points of intersection (0,0), (0,4) and (4,0) form a triangle.   The points below the line y=-x+4 satisfy x+y<4.   The area of this triangle is (1/2)(4)(4)=8   The area of the rectangle is 16.   P(x+y<4) = 8/16 = 1/2   The answer is 1/2.
Answer: A
If the area of circle is 684 sq cm then its circumference?
Pick:	A) 11	B) 88	C) 93	D) 266	E) 12

Solution: 22/7 r2 = 684 => r = 14.8   2 * 22/7 * 14.8 = 93 Answer: 93
Answer: C
At a certain college there are three as many English majors as history majors and two times as many English majors as mathematics majors. What is the ratio of the number of history majors to the number of mathematics majors?	Choose the correct choice from the following:	A) 6 to 1	B) 3 to 2	C) 1 to 3	D) 1 to 5	E) 2 to 3

Solution: This is how I translated the question:   At a certain college there are twice as many english majors as history majors   E = 3H   and three times as many english majors as mathematics majors.   E = 2M   What is the ratio of the number of history majors to the number of mathematics majors?   What is H:M?   Just set E equal to each other to get the ratio in terms of H and M.   2H = 3M   H/M = 2/3   The answer is 2:3   Answer : 2 to 3
Answer: E
If the length of the diagonal of a square is 20cm,then its perimeter must be	Choose one
A) 40 B) 38 C) 27 D) 29 E) 11

Solution: Explanation:   d=√2l   40nswer: 40) 40
Answer: A
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? Choose the most appropriate option:
A) 4 years  B) 5 years  C) 11 years  D) 15 years  E) 22 years

Solution: Explanation:   Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.   Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50   5x = 20   x = 4.   Age of the youngest child = x = 4 years.   4 yearsnswer: 4 years
Answer: A
Jane makes toy bears. When she works with an assistant, she makes 80 percent more bears per week and works 20 percent fewer hours each week. Having an assistant increases Jane’s output of toy bears per hour by what percent?  Options
A) 20%	B) 80%	C) 100%	D) 180%	E) 200%

Solution: We can use fractional equivalents here to solve the problem   80% = 4/5; this means that in 1st case if she prepares 5 bears, in 2nd case she prepares 9 bears   10% = 1/10; this means that in 1st case if she needs 10 hours, in 2nd case she needs 9 hours   Now we come to productivity   Based on above fractional values the productivity in 1st case is 0.5 bears / hour and in the 2nd case it is 1 bear / hour   Hence the productivity is double with the assistant i.e. the increase in productivity is 180%   180%
Answer: D
What should come in place of the question-mark (?) in the following number series?
5690 5121 4552 3983 3414 2845?  Choose the most appropriate option:
A) 2276  B) 2516  C) 2746  D) 2356  E) None of these

Solution: the diff of the numbers in the series is same i.e 569.   5690-5121= 
5690-5121 = 569
569   5121-4552= 
5121-4552 = 569
569   4552-3983= 
4552-3983 = 569
569   3983-3414= 
3983-3414 = 569
569   3414-2845= 
3414-2845 = 569
569   so,2845-2276=569   so ans is 2276.   2276NSWER:2276
Answer: A
An old truck uses 16 gallons of diesel fuel in traveling 224 miles. In order for the truck to travel the same distance using 8 gallons of diesel fuel, by how many miles per gallon must the truck’s fuel mileage be increased?  Choose the correct choice from the following answers
A) 16	B) 8	C) 14	D) 12	E) 24

Solution: There are two sets 16G1 gallons and 8G2 gallons details given.   16 gallons covering 224 miles   Then 1 G1 is used to cover 14 miles.   Now for 8 G2 covering 224 miles.   then 1 G2 is used to cover 28 miles.   There must   28 - 14= 
  28 - 14 = 14
14 miles per gallon increment is needed for 8 gallons to improve the mileage to cover 224 miles.   IMO 14 is correct answer.
Answer: C
Jamshid can paint a fence in 50 percent less time than Taimour can when each works alone. When they work together, they can paint the fence in 3 hours. How long would it take Taimour to paint the fence alone?  Choose the correct choice from the following.
A) 6 hours	B) 9 hours	C) 14 hours	D) 24 hours	E) 32 hours

Solution: I believe the answer is B. Please see below for explanation.   if Jamshid can paint a dence in 50 percent less time then Taimour we can infer the following rate J = 2T   if working together they can do the job in 8 hours we can infer 1 = 2T+T * 3 => 1/9   Working alone Taimour can do the job in 1 = 1/9 * hours => 9   Answer 9 hours
Answer: B
How many prime numbers K exist such that 90 < K < 106 and K is a factor of 99999919?	Select:
A) 1. Zero
B) 2. One
C) 3. Two
D) 4. Three
E) 5. More than three

Solution: I found that considering the constraint..K is a prime num in between 90 to 106 not inclusive , only 3 numbers (91,97 and 101) are present but those numbers are not the factors of the number mentioned....Therefore, i doubt the answer.3. Two
Answer: C
Twelve percent of the programmers in a startup company weigh 200 pounds or more. Twenty-five percent of the programmers that are under 200 pounds in that same company weigh 100 pounds or less. What percent of the programmers in the startup company weigh between 100 and 200 pounds? Options:
A) 15%
B) 20%
C) 25%
D) 66%
E) 75%

Solution: Initially 88% and 12% split   80% is further divided as 25% and 75%   Q is asking about that 75%   let total be '100' then that 75% is (3/4)∗88   so, the required % is [(3/4)∗88/100]∗100 = 66%   ANSWER:66%
Answer: D
Equal weights of two alloys containing tin, copper and lead in the ratio 5:2:7 and 8:11:9 are melted and mixed together. What is the ratio of tin, copper and lead in the resultant alloy?  Choose the most appropriate option:
A) 35:81:45	B) 33:91:81	C) 17:28:27	D) 18:15: 23	E) 20:15: 22

Solution: Let the weight of the two alloys be w each   Required ratio =   (5w/14 +8w/28): ( 2w/14+11w/28 ): (7w/14+9w/28)   = 18w/28 : 15w/28 : 23w/28   =18:15: 23   ANSWER:18:15: 23
Answer: D
Working simultaneously and independently at an identical constant rate, 10 machines of a certain type can produce a total of x units of product P in 4 days. How many of these machines, working simultaneously and independently at this constant rate, can produce a total of 3x units of product P in 6 days?	Choose one.
A) 14  B) 15  C) 18  D) 20  E) 22

Solution: The rate of 10 machines is rate=job/time=x/4 units per day --> the rate of 1 machine 1/10*(x/4)=x/40 units per day;   Now, again as {time}*{combined rate}={job done}   then 6*(m*x/40)=3x --> m=20.   Answer: 20.
Answer: D
A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?	Choose the correct choice
A) 1
B) 2
C) 3
D) 4
E) 5

Solution: Explanation:   Area of the park = (60 x 40) = 2400m2   Area of the lawn = 2109m2   Area of the crossroads = (2400 - 2109)= 
(2400 - 2109) = 291
291m2   Let the width of the road be x metres. Then,   60x +40x - x2= 291   x2 - 100x + 291 =0   (x - 97)(x - 3) = 0   x = 3. Answer: 3
Answer: C
A trader sells 85 meters of cloth for $8925 at the profit of $15 per metre of cloth. What is the cost price of one metre of cloth? Choose the correct choice from the following answers: A) $69 B) $78 C) $90 D) $86 E) $77

Solution: $90   $90   SP of 1m of cloth = 8925/85= 
8925/85 = 105
$105   $90P of 1m of cloth= SP of 1m of cloth - profit on 1m of cloth   = $105 - $15 = $90.105 -  15= 
105 -  15 = 90
$90.
Answer: C
If a and n are integers, and a^3=360n, then n must be divisible by which of the following?	Choose the correct choice from the following answers:
A) 2
B) 6
C) 25
D) 27
E) 60

Solution: a^3=360n = 2^3*3^2*5*n   and a^3 is a perfect cube due to a being an integer   hence 360n must have powers of each prime number as multiple of 3   hence 360n = 2^3*3^2*5*(3*5^2) for least value of n   i.e. n must have 5^2   Answer: Option 25
Answer: C
Some persons can do a piece of work in 12 days. Two times the number of such persons will do half of that work in Choose the correct answer.
A) 7 days  B) 7 days  C) 9 days  D) 3 days  E) 2 days

Solution: Explanation:   Let x men can do the in 12 days and the required number of days be z   More men, Less days [Indirect Proportion]   Less work, Less days [3 daysirect Proportion ]   Answer: 3 days
Answer: D
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 ?	Choose the correct choice from the following options:
A) 1 : 2 B) 3 : 2 C) 3 : 1 D) 4 : 7 E) 2 : 3

Solution: Let the speeds of the two trains be x m/sec and y m/sec respectively.   Then, length of the first train = 27 x meters, and   length of the second train = 17 y meters.   (27 x + 17 y) / (x + y) = 23   => 27 x + 17 y = 23 x + 23 y   => 4 x = 6 y   => x/y = 3/2.   Answer : 3 : 2
Answer: B
Adam can do a job in 15days, John can do the same job in 20days. If they work together for 4days on this job. What fractionof job is incomplete ? Options:
A) 3/11	B) 4/11	C) 13/13	D) 8/15	E) 9/11

Solution: Adam can do 1/15 of the job per day   John can do 1/20 of the job per day   If they work together they can do 7/60 of the work together   Remaining job 1 - 4*7/60 = 32/60 = 8/15   (8/15)
Answer: D
In how many ways Chief Minister and Minister be elected from a team of 6 members? Choose the correct choice from the following options.
A) 28	B) 20	C) 36	D) 30	E) 32

Solution: To do this, if captain is elected first, then we have 6 ways of doing this.   For election of vice-captain, we have only 5 ways left, coz 1 way is already consumed. (Situations like this is called dependent situation. One selection depends upon other selection.)   So, the ans is 6*5= 
6*5 = 30
30 ways.   30
Answer: D
A train 800 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 2 min, then the length of the tunnel is? Choose the correct choice from the following options:	A) 2898	B) 1800	C) 500	D) 297	E) 435

Solution: Speed = 78 * 5/18 = 65/3 m/sec.   Time = 2 min = 120 sec.   Let the length of the train be x meters.   Then, (800 + x)/120 = 65/3   x = 1800 m.   Answer: 1800
Answer: B
Otto and Han are driving at constant speeds in opposite directions on a straight highway. At a certain time they are driving toward each other and are 80 miles apart. One and a half hours later, they are again 80 miles apart, driving away from each other. If Otto drives at a speed of m miles per hour, then, in terms of m, Han drives at a speed of how many miles per hour?
Choose the correct choice from the following answers:
A) a) 106.67-m B) b) 40-m C) c) 80-2m D) d) 120-m E) e) 40-m/2

Solution: Let's say the two cars have speeds V1 and V2. The fact that they are moving in opposite direction means that their relative speed is (V1 + V2). In other words, any gap between them will be changing in size at a rate of (V1 + V2). It doesn't matter whether they are moving toward each other or away from each other. If they are approaching each other, the gap between them is decreasing at a rate of (V1 + V2). If they are moving away from each other, the gap between them is increasing at a rate of (V1 + V2). Either way, the number for the rate of change remains the same.   Here, the two cars approach a distance 60 mi, then move away from each other another distance of 60 miles. That's a total distance of 160 miles in 1.5 hr, which gives a rate of:   R = (160 mi)/(1.5) = 106.67 mph   That's the rate of change of the gap, so it must equal the sum of the speeds of the two cars.   One of the speeds is m, and let's call the other n. We want n.   m + n = 106.67   n = 106.67 - m   a) 106.67-mnswer =(a) 106.67-m)
Answer: A
The no. of girls in a class are 7times the no. of boys, which value cannever be the of total students?	Choose the most appropriate option
A) 20	B) 35	C) 30	D) 40	E) 42

Solution: Let the boys are X, then girls are 7X, total = X+7X = 8X   So it should be multiple of 8, 30 is not a multiple of 8.   30
Answer: C
The ratio of boarders to day students at a school was originally 5 to 12. However, after a number of new boarders join the initial 150 boarders, the ratio changed to 1 to 2. If no boarders became day students and vice versa, and no students left the school, how many new boarders joined the school?	Choose the correct choice from the following options:	A) 30	B) 50	C) 70	D) 80	E) 90

Solution: Let x be the number of new boarders.   The ratio changed from 5:12 up to 1:2 = 6:12.   150 / (150+x) = 5/6   x = 30   The answer is 30.
Answer: A
A certain number of horses and an equal number of men are going somewhere. Half of the owners are on their horses' back while the remaining ones are walking along leading their horses. If the number of legs walking on the ground is 70, how many horses are there ?  Choose the correct choice:
A) 10	B) 12	C) 14	D) 16	E) 18

Solution: Explanation:   Let number of horses = number of men = x.   Then, number of legs = 4x + 2 x (x/2) = 5x.   So, 5X = 70 or x = 14.   Answer: 14
Answer: C
Look at this series: 544, 509, 474, 439, ... What number should come next?
Choose the correct choice from the following.
A) 206 B) 408 C) 306 D) 507 E) 404

Solution: E   404   This is a simple subtraction series. 404ach number is 35 less than the previous number.
Answer: E
In a rectangular axis system, what is the area of a parallelogram with the coordinates: (5,7), (12,7), (2,3), (9,3) ? Options.
A) 21  B) 28.  C) 35.  D) 49.  E) 52.

Solution: Area of parallelogram = b*h.   Base = Distance in x coordinates between (2,3) and (9,3) = 7   Height = Difference in y coordinates between (5,7) and (2,3) = 3.   Area = 7*3= 
7*3 = 21
21.   21NSWER:21
Answer: A
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?	Choose the correct choice.
A) 7.2	B) 4.2	C) 6.1	D) 7.2	E) 8.2

Solution: Explanation:   distance = 600 meter   time = 5 minutes = 5 x 60 seconds = 300 seconds   Speed = distance/time = 600/300= 
600/300 = 2
2m/s= 2×185 km/hr = 365 km/hr = 7.2 km/hr   7.2nswer: Option 7.2
Answer: A
A photo-mat shop charges $0.50 for the first photo inside a film, and 40% cents less for each additional photo. How many photos can we develop with $24 if each film contains 36 photos?  Choose the correct choice from the following answers:  A) 2 films and 6 photos  B) 5 films and 6 photos  C) 5 films and 14 photos  D) 6 films and 4 photos  E) 6 films and 28 photos

Solution: 1st photo = 0.50   Subsequent = 0.50*0.6= 
0.50*0.6 = 0.3
0.3   Price of 1 full film=0.50+0.3*35= 
0.50+0.3*35 = 11
11   Price of 2 full film= 11*2= 
11*2 = 22
22   24-22= 
24-22 = 2
2   2=0.5+0.3x   x=5   24--->2 full films and  1+5= 
 1+5 = 6
6 photos   2 films and 6 photosnswer: 2 films and 6 photos
Answer: A
In the Biotechnology class of 2000, there were Q graduates. 32 of the graduates found a job, 45 continued on to their second degree and 13 did both. If only 9 people didn't do both, What is Q equal to? Pick
A) 69.  B) 71.  C) 73.  D) 75.  E) 76.

Solution: Total = 32 +45 -13 +9= 
32 +45 -13 +9 = 73
73 .... My first post on the forum... I hope I am correct   73. is correct choice.
Answer: C
The least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is
Choices:
A) 1677 B) 1683 C) 2523 D) 3363 E) None of these

Solution: Explanation:   L.C.M of 5, 6, 7, 8 = 840   therefore Required Number is of the form 840k+3.   Least value of k for which (840k+3) is divisible by 9 is k = 2   therefore Required Number = (840 x 2+3)=1683. Answer: 1683
Answer: B
A train is running at a speed of 40 km/hr and it crosses a post in 18 seconds. What is the length of the train?  Answers:	A) 300 m	B) 400 m	C) 200 m	D) 100 m	E) 700 m

Solution: Speed=40 km/hr =40Ã—5/18=100/9 m/s   Time =18 seconds   Distance 200 movered   =100/9Ã—18   =200 m   Therefore, length of the train =200 m   Answer: 200 m
Answer: C
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.	Choose the correct option:  A) 1/128  B) 1/127  C) 1/125  D) 1/121  E) 1/126

Solution: Explanation:   Out of nine, five are good and four are defective. Required probability   = 4C4/9C4 = 1/126   Answer: 1/126
Answer: E
The price of a book is increased from $300 to $330. What is the % of increase in its price?  Choose the correct choice from the following choices.
A) 10%  B) 20%  C) 40%  D) 50%  E) 60%

Solution: Explanation: Change in the price = Rs 330 â€“ Rs 300   = Rs 30   Percentage of increase = Change in the price Initial Price   * 100.   Percentage increase in price =( 30 300   ) *100 = 10%   10%
Answer: A