question: Find the least number must be subtracted from 964807 so that remaining no.is divisible by 8?
Options:
(A) 7
(B) 6
(C) 5
(D) 4
(E) 3
answer: Stream of consciousness: On dividing 964807 by 15 we get the remainder 7, so 7 should be subtracted The answer is (A).

q: The average of five numbers is 41. The average of first two numbers is 32 and the average of last two numbers is 38. What is the middle number?
Options:
(A) 59
(B) 64
(C) 61
(D) 72
(E) 65
a: Stream of consciousness: The total of five numbers = 5X41 = 205
The total of first 2 and last 2 numbers is = 2 X 32+2 X 38 = 140
So, the middle number is (205 - 140 ) = 65 The answer is (E).

question: The speed of a car is 90 km in the first hour and 42 km in the second hour. What is the average speed of the car?
Options:
(A) 89 kmph
(B) 92 kmph
(C) 75 kmph
(D) 65 kmph
(E) 66 kmph
answer: Stream of consciousness: S = (90 + 42)/2 = 66 kmph The answer is (E).

q: A train 400 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
Options:
(A) 22 kmph
(B) 77 kmph
(C) 54 kmph
(D) 71 kmph
(E) 90 kmph
a: Stream of consciousness: S = 400/16 * 18/5 = 90 kmph The answer is (E).

question: A man started running at a distance of 225 metre from the train. If the speed of the man is 6 km/h, then how much time should the train wait so that the man will be just able to catch it ?
Options:
(A) 2 14 min
(B) 3 min
(C) 4 14 min
(D) 4 12 min
(E) None of these
answer: Stream of consciousness: Time = 225/6518 = 135 sec = 214 min. The answer is (A).

question: Look at this series: 201, 202, 204, 207, ... What number should come next?
Options:
(A) 211
(B) 205
(C) 224
(D) 267
(E) 269
answer:
Stream of consciousness: In this addition series, 1 is added to the first number; 2 is added to the second number; 3 is added to the third number; 4 is added to the fourth number; and go on. The answer is (A).