q: The average of first 9 odd numbers is?
Options:
(A) 5
(B) 6
(C) 7
(D) 8
(E) 9
a: Stream of consciousness: Sum of 9 odd no. = 90
Average = 81/9 = 9 The answer is (E).

question: The purchase price of an article is $48. In order to include 25% of cost for overhead and to provide $12 of net profit, the markup should be
Options:
(A) 50%
(B) 25%
(C) 35%
(D) 40%
(E) 45%
answer: Stream of consciousness: Cost price of article = 48$
% of overhead cost = 25
Net profit = 12 $
We need to calculate % markup
Net profit as % of cost price = (12/48)*100 = 25%
Total markup should be = 25 + 25 = 50% The answer is (A).

q: Find the largest 3 digit number which is exactly divisible by 88?
Options:
(A) 765
(B) 907
(C) 944
(D) 954
(E) 968
a: Stream of consciousness: Largest 3 digit number is 999
After doing 999 88 we get remainder 31
Hence largest 3 digit number exactly divisible by 88 = 999 - 31 = 968 The answer is (E).

question: In what time will a railway train 65 m long moving at the rate of 32 kmph pass a telegraph post on its way?
Options:
(A) 3 sec
(B) 4 sec
(C) 5 sec
(D) 6 sec
(E) 7 sec
answer: Stream of consciousness: T = 65/32 * 18/5 = 7 sec The answer is (E).

q: If f(x) = x^2/(x^5 - 1), what is f(1/x) in terms of f(x)?
Options:
(A) 1/f(x)
(B) -f(x)
(C) 2/f(x)
(D) f(x)
(E) 3*f(x)
a: Stream of consciousness: If x = 2 then f(x) = 4/31 and f(1/x) = -4/31 which is equal to -f(x) The answer is (B).

q: What will come in place of the x in the following Number series? 612, 207, 72, 27, 12, x
Options:
(A) 6
(B) 7
(C) 8
(D) 9
(E) 10
a:
Stream of consciousness: 612
612 / 3 + 3 = 207
207 / 3 + 3 = 72
72 / 3 + 3 = 27
27 / 3 + 3 = 12
12 / 3 + 3 = 7 The answer is (B).