q: In a school of 850 boys, 44% of Muslims, 32% Hindus, 10% Sikhs and the remaining of other communities. How many belonged to the other communities?
Options:
(A) A) 125
(B) B) 119
(C) C) 153
(D) D) 721
(E) E) 159
a: Stream of consciousness: 44 + 32 + 10 = 86%
100 – 84 = 14%
850 * 14/100 = 119 The answer is (B).


question: Is 2 a prime number or a composite number?
Options:
(A) prime number
(B) composite number
(C) both prime composite number
(D) Not prime composite number
(E) Don't Know
answer: Stream of consciousness: A Prime Number can be divided evenly only by 1 or itself
So 2 is prime number The answer is (A).


q: A train 200 m long running at 80 kmph crosses a platform in 22 sec. What is the length of the platform?
Options:
(A) 338
(B) 277
(C) 350
(D) 288
(E) 271
a: Stream of consciousness: D = 80 * 5/18 = 22 = 488 – 200 = 288 The answer is (D).


question: A, B, C together started a business. A invested Rs.6000 for 5 months B invested Rs.3600 for 6 months and C Rs.7500 for 3 months. If they get a total profit of Rs.7410. Find the share of B?
Options:
(A) 2160
(B) 3000
(C) 3018
(D) 3019
(E) 3012
answer: Stream of consciousness: 60*5:36*6:75*3
100: 72: 75
72/247 * 7410 = 2160 The answer is (A).


q: Fill in the blank with the correct number in this number series: 1, 20, 7, 16, __, 12, 19, ?
Options:
(A) 14
(B) 12
(C) 13
(D) 15
(E) 11
a: Stream of consciousness: This is a simple alternating subtraction and addition series; The first series begins with 1 and adds 6; the second begins with 20 and subtracts 4, and so on. The answer is (C).


q: If the average (arithmetic mean) of the four numbers K, 2K + 2, 3K – 5 and 5K + 1 is 63, what is the value of K?
Options:
(A)  11
(B)  15 3/4
(C)  22
(D)  23
(E)  23 1/11
a:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Stream of consciousness: K + 2K +2 + 3K - 5 + 5K +1 = 11K -2
(11K -2)/4 = 63
11K = 63 * 4 +2 = 252 +2 = 254
K = 254 / 11 = 23 1/11 The answer is (E).