What percent is 120 of 90?
Options:
(A) 133 1/3 %
(B) 134 1/3 %
(C) 135 1/3 %
(D) 140 1/3 %
(E) 143 1/3 %
Answer and stream of consciousness: (A)
Stream of consciousness: 120/90 = 4/3
4/3 100 = 400/3 = 133 1/3 %

A goods train runs at the speed of 72 km/hr and crosses a 250 m long platform in 26 sec. What is the length of the goods train?
Options:
(A) 49 sec
(B) 50 sec
(C) 48 second
(D) 43 sec
(E) 32 sec
Answer and stream of consciousness: (C)
Stream of consciousness: D = 540 + 180 = 720
S = 54 * 5/18 = 15 mps
T = 720/15 = 48 se

How much is 60% of 40 is greater than 4/5 of 25?
Options:
(A) 4
(B) 6
(C) 10
(D) 8
(E) 13
Answer and stream of consciousness: (A)
Stream of consciousness: 60/100) * 40 (4/5) * 25
24 - 20 = 4

Find a a prime number from the options below.
Options:
(A) 69
(B) 70
(C) 71
(D) 72
(E) 74
Answer and stream of consciousness:
(C)
Stream of consciousness: Clearly, 71 is a prime number.