question: In a school of 700 boys, 44% of Muslims, 28% Hindus, 10% Sikhs and the remaining of other communities. How many belonged to the other communities?
Options:
(A) 173
(B) 126
(C) 153
(D) 143
(E) 133
answer: Stream of consciousness: 44 + 28 + 10 = 82%
100 82 = 18%
700 * 18/100 = 126 The answer is (B).

q: Divide Rs.32000 in the ratio 3:7?
Options:
(A) 12000, 20000
(B) 9600, 22400
(C) 12000, 20007
(D) 12000, 20006
(E) 12000, 20001
a: Stream of consciousness: 3/10 * 32000 = 9600
7/8 * 32000 = 22400 The answer is (B).

question: Calculate the circumference of a circular field whose radius is 10 centimeters.
Options:
(A) 20 cm
(B) 19 cm
(C) 28 cm
(D) 25 cm
(E) 30 cm
answer: Stream of consciousness: Circumference C is given by
C = 2r = 2*10 = 20 cm The answer is (A).

q: Look at this series: 53, 53, 39, 39, 25, 25, ... What number should come next?
Options:
(A) A) 12
(B) B) 11
(C) C) 27
(D) D) 53
(E) E) 86
a: Stream of consciousness: In this series, each number is repeated, then 14 is subtracted to arrive at the next number. The answer is (B).

question: (y^n - b^n) is completely divisible by (y - b), when
Options:
(A) n is odd natural number
(B) n is even natural number
(C) n is any natural number
(D) n is prime
(E) None
answer: Stream of consciousness: For every natural number n, (y^n - b^n) is completely divisible by (y - b). The answer is (C).

question: If the average (arithmetic mean) of the four numbers K, 2K + 3, 3K 5 and 5K + 1 is 85, what is the value of K?
Options:
(A) 11
(B) 15 3/4
(C) 31
(D) 23
(E) 25 3/10
answer:
Stream of consciousness: K + 2K +3 + 3K - 5 + 5K +1 = 11K -1
(11K -1)/4 = 85
11K = 85 * 4 +1 = 340 +1 = 341
K = 253 / 11 = 31. The answer is (C).