q: M is 30% of Q, Q is 20% of P and N is 50% of P. What is M / N
Options:
(A) 3/28
(B) 3/27
(C) 3/21
(D) 3/22
(E) 3/25
a: Stream of consciousness: Take P = 100, then N = 50, Q = 20, M = 6. So M/N = 3/25 The answer is (E).

question: The sale price sarees listed for Rs.400 after successive discount is 10% and 5% is?
Options:
(A) 345
(B) 340
(C) 342
(D) 346
(E) 341
answer: Stream of consciousness: 400*(90/100)*(95/100) = 342 The answer is (C).

q: A number is said to be prime saturated if the product of all the different positive prime factors of n is less than the square root of n. What is the greatest two digit prime saturated integer ?
Options:
(A) 99
(B) 98
(C) 97
(D) 96 answer
(E) 95
a: Stream of consciousness: The square roots of all numbers from answer choices are between 9 and 10, so the product of primes of the number we are looking should be less then 9, so this number should have only 2-s, only 3-s, only 5-s, or only 2-s and 3-s as its primes. Only 96 satisfies this. The answer is (D).

question: In what time a sum of money double itself at 3% per annum simple interest?
Options:
(A) 36 1/3%
(B) 33 1/3%
(C) 33 1/6%
(D) 63 1/3%
(E) 23 1/3%
answer: Stream of consciousness: P = (P*3*R)/100
R = 33 1/3% The answer is (B).

q: In a school of 850 boys, 44% of Muslims, 28% Hindus, 10% Sikhs and the remaining of other communities. How many belonged to the other communities?
Options:
(A) 125
(B) 627
(C) 153
(D) 721
(E) 159
a: Stream of consciousness: 44 + 28 + 10 = 82%
100 82 = 18%
850 * 18/100 = 153 The answer is (C).

q: Look at this series: 8, 43, 11, 41, __, 39, 17, ... What number should fill in the blank?
Options:
(A) 8
(B) 14
(C) 43
(D) 44
(E) 9
a:
Stream of consciousness: Answer: Option B
This is a simple alternating addition and subtraction series. The first series begins with 8 and adds 3; the second begins with 43 and subtracts 2. The answer is (B).