q: A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
Options:
(A) 40 sec
(B) 50 sec
(C) 44 sec
(D) 49 sec
(E) 60 sec
a: Stream of consciousness: Speed = 45 * 5/18 = 25/2 m/sec
Total distance covered = 360 + 140 = 500 m
Required time = 500 * 2/25 = 40 sec The answer is (A).

question: he speed of a train is 90 kmph. What is the distance covered by it in 10 minutes?
Options:
(A) 25 kmph
(B) 15 kmph
(C) 17 kmph
(D) 95 kmph
(E) 14 kmph
answer: Stream of consciousness: 90 * 10/60 = 15 kmph The answer is (B).

q: 80 370 ? 1550 2440 3530
Options:
(A) 900
(B) 840
(C) 750
(D) 860
(E) 960
a: Stream of consciousness: 10^2 - 20 = 80
20^2 - 30 = 370
30^2 - 40 = 860
40^2 - 50 = 1550
50^2 - 60 = 2440
60^2 - 70 = 3530. The answer is (D).

question: What is the least number should be added to 1056, so the sum of the number is completely divisible by 29?
Options:
(A) 17
(B) 27
(C) 37
(D) 47
(E) 57
answer: Stream of consciousness: (1056 / 29) gives remainder 12
17 + 12 = 29, So we need to add 17 The answer is (A).

q: In what time will a railway train 60 m long moving at the rate of 36 kmph pass a telegraph post on its way?
Options:
(A) 10 sec
(B) 8 sec
(C) 5 sec
(D) 6 sec
(E) 11 sec
a: Stream of consciousness: T = 60/36 * 18/5 = 6 sec The answer is (D).

q: The average of 7 consecutive numbers is 33. The highest of these numbers is:
Options:
(A) 28
(B) 30
(C) 33
(D) 36
(E) 28
a:
Stream of consciousness: The average of 7 consecutive numbers will be the 4th number which is given to be = 33 5th number = 34, 6th number = 35, 7th number = 36 The answer is (D).