question: 123 : 36 : : 221 : ?
Options:
(A) 52
(B) 69
(C) 72
(D) 25
(E) 32
answer: Stream of consciousness: (1+2+3)^2 = 36
(2+2+1)^2 = 25 The answer is (D).


q: What percent is 120 of 80?
Options:
(A) 150 %
(B) 134 1/3 %
(C) 135 1/3 %
(D) 140 1/3 %
(E) 143 1/3 %
a: Stream of consciousness: 120/80 = 3/2
3/2 × 100 = 300/2 = 150 % The answer is (A).


question: 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) 176
(B) 179
(C) 153
(D) 167
(E) 107
answer: Stream of consciousness: 44 + 28 + 10 = 82%
100 – 82 = 18%
850 * 18/100 = 153 The answer is (C).


q: A can do a certain work in 12 days. B is 60% more efficient than A. How many days does B alone take to do the same job ?
Options:
(A) 19
(B) 15
(C) 16
(D) 17
(E) 18
a: Stream of consciousness: Ratio of time taken by A & B = 160:100 = 8:5 Suppose B alone takes x days to do the job. Then, 8:5::12:x = > 8x = 5*12 = > x = 15 days. The answer is (B).


question: What is the sum of all the prime numbers greater than 30 but less than 50?
Options:
(A) 126
(B) 199
(C) 198
(D) 188
(E) 122
answer: Stream of consciousness: Required sum = (31 + 37 + 41 + 43 + 47) = 199
Note: 1 is not a prime number The answer is (B).


question: In case N is the only individual sewing on committee B, which among the following shouldserve on committee A?
Options:
(A) V and U
(B) V and T
(C) U and S
(D) O and P
(E) T and U
answer:

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: O and P should serve on A The answer is (D).