q: Calculate the largest 4 digit number which is exactly divisible by 98?
Options:
(A) 9800
(B) 9898
(C) 9702
(D) 9604
(E) 9996
a: Stream of consciousness: Largest 4 digit number is 9999
After doing 9999 98 we get remainder 3
Hence largest 4 digit number exactly divisible by 98 = 9999 - 3 = 9996 The answer is (E).

question: If 1/2 of the air in a tank is removed with each stroke of a vacuum pump, what fraction of the original amount of air has been removed after 6 strokes ?
Options:
(A) 63/64
(B) 7/8
(C) 1/4
(D) 1/8
(E) 1/16
answer: Stream of consciousness: Left After 1st stroke = 1/2
Left After 2nd stroke = 1/2 * 1/2 = 1/4
Left After 3rd stroke = 1/2 * 1/4 = 1/8
Left After 4th stroke = 1/2 * 1/8 = 1/16
Left After 5th stroke = 1/2 * 1/16 = 1/32
Left After 6th stroke = 1/2 * 1/32 = 1/64
So removed = 1- 1/64 = 63/64 The answer is (A).

q: Divide Rs.32000 in the ratio 1:7?
Options:
(A) 12000, 20000
(B) 12000, 200098
(C) 4000, 28000
(D) 12000, 20006
(E) 12000, 20001
a: Stream of consciousness: 1/8 * 32000 = 4000
7/8 * 32000 = 28000 The answer is (C).

question: 3 candidates in an election and received 1136, 7636 and 11628 votes respectively. What % of the total votes did the winningcandidate got in that election?
Options:
(A) 45%
(B) 54%
(C) 57%
(D) 60%
(E) 65%
answer: Stream of consciousness: Total number of votes polled = (1136 + 7636 + 11628) = 20400
So, Required percentage = 11628/20400 * 100 = 57% The answer is (C).

q: If, when the two parties of knights encounter one another after a month, exactly one knight changes from one travelling party to the other travelling party, that knight must be
Options:
(A) P
(B) Q
(C) R
(D) S
(E) T
a: Stream of consciousness: Q because Q always have to travel in northern route The answer is (B).

q: In what time a sum of money double itself at 6% per annum simple interest?
Options:
(A) 33 1/8%
(B) 33 1/3%
(C) 83 1/3%
(D) 33 4/3%
(E) 16 2/3%
a:
Stream of consciousness: P = (P*6*R)/100
R = 16 2/3% The answer is (E).