question: John has 5 flavors of chocolate in him shop. How many options are there for Jones to pick a one-flavor, two-flavor, three-flavor, four-flavor or five-flavor order?
Options:
(A) 22
(B) 31
(C) 43
(D) 37
(E) 38
answer: Stream of consciousness: 5C1 + 5C2+ 5C3+5C4+5C5 = 31. The answer is (B).

q: Find the third proportional to 2 and 8?
Options:
(A) 10
(B) 32
(C) 36
(D) 19
(E) 20
a: Stream of consciousness: Formula = Third proportional = (b b)/a
A = 2 and B = 8
(8 x 8 )/ 2 = 64/2 = 32 The answer is (B).

question: A train 140 m long, running with a speed of 63 km/hr will pass a tree in?
Options:
(A) 18 sec
(B) 6 sec
(C) 8 sec
(D) 15 sec
(E) 7 sec
answer: Stream of consciousness: Speed = 63 * 5/18 = 35/2 m/sec
Time taken = 140 * 2/35 = 8 se The answer is (C).

q: When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 4 times, what is the probability that it will land on the same side each time?
Options:
(A) 1/8
(B) 1/4
(C) 1/16
(D) 1/2
(E) 1/32
a: Stream of consciousness: Must be either 4 tails or 4 heads
1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2
1/16 + 1/16 = 1/8 The answer is (A).

question: A 180 meter long train crosses a man standing on the platform in 6 sec. What is the speed of the train?
Options:
(A) 229
(B) 108
(C) 278
(D) 126
(E) 112
answer: Stream of consciousness: S = 180/6 * 18/5 = 108 kmph The answer is (B).

question: Which one of the following is not a prime number?
Options:
(A) 31
(B) 61
(C) 71
(D) 73
(E) 91
answer:
Stream of consciousness: 91 is divisible by 7. So, it is not a prime number. The answer is (D).