Reasoning: (Face value of 3) x (Local value of 6) = (3 x 60) = 180
Ans: (C)
Question: The product of face value of 3 and local value of 6 in the numeral 78934064 is
Options:
(A) 18
(B) 24
(C) 180
(D) 240
(E) 108
Rationale: 200/36 * 18/5 = 20 km/hr
The answer: (A)
Question: A boy runs 200 metres in 36 seconds. What is his speed ?
Options:
(A) 20 km/hr
(B) 24 km/hr
(C) 30 km/hr
(D) 32 km/hr
(E) 34 km/hr
Reasoning: Total # of codes possible is 3*3*3 = 27. Oit of those 27 codes only the product of 333 and will be odd, the remaining 26 will have either 2 or 4 in them, which ensures that their product will be even. Therefore the number of codes where the product of the digits is even = (total) - (restriction) = 27 - 1 = 26.
Ans: (C)
Question: A telephone company needs to create a set of 3-digit area codes. The company is entitled to use only digits 6, 4 and 3, which can be repeated. If the product of the digits in the area code must be even, how many different codes can be created?
Options:
(A) 20
(B) 22
(C) 26
(D) 24
(E) 30
Rationale: Speed = 72 * 5/18 = 20 m/sec
Time taken = 200/20 = 10 sec.
The answer: (D)
Question: In what time will a bus 200 m long cross in the road, if its speed be 72 km/hr?
Options:
(A) 15
(B) 20
(C) 14
(D) 10
(E) 12
Reasoning: From the (iii) clue, peda must be eaten after jilebi. so Peda should not be eaten on monday.
Ans: (A)
Question: There are 5 sweets - Jammun, kaju, Peda, Ladu, Jilebi which can be consumed in 5 consecutive days. Monday to Friday. A person eats one sweet a day, based on the following constraints.
(i) Ladu not eaten on monday
(ii) If Jamun is eaten on Monday, Ladu should be eaten on friday.
(iii) Peda is eaten the day following the day of eating Jilebi
(iv) If Ladu eaten on tuesday, kaju should be eaten on monday
based on above, peda can be eaten on any day except
Options:
(A) monday
(B) tuesday
(C) tuWesday
(D) wednesday
(E) friday
Reasoning: S = 360/6 * 18/5 = 216 kmph
Ans: (D)
Question: A 360 meter long train crosses a man standing on the platform in 6 sec. What is the speed of the train?
Options:
(A) 229
(B) 108
(C) 278
(D) 216
(E) 112