q: What is the least number should be added to 1056, so the sum of the number is completely divisible by 28?
Options:
(A) 1
(B) 2
(C) 3
(D) 4
(E) 8
a: Stream of consciousness: (1056 / 28) gives remainder 20
20 + 8 = 28, So we need to add 8 The answer is (E).

question: There are 42 distinct numbers in set M, there are 28 distinct numbers in set N, and there are 12 distinct numbers that are in both sets M and N. Set H is the set containing the elements that are in at least one of sets M and N. How many elements are in set H?
Options:
(A) 39
(B) 40
(C) 51
(D) 58
(E) 63
answer: Stream of consciousness: {Total} = {M} + {N} - {Both}
{Total} = 42 + 28 - 12 = 58. The answer is (D).

q: In a school of 650 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) 163
(C) 153
(D) 143
(E) 117
a: Stream of consciousness: 44 + 28 + 10 = 82%
100 82 = 18%
650 * 18/100 = 117 The answer is (E).

question: What amount does Kiran get if he invests Rs. 18000 at 15% p.a. simple interest for two years?
Options:
(A) 29893
(B) 27773
(C) 29989
(D) 28800
(E) 23400
answer: Stream of consciousness: Simple interest = (18000 * 2 * 15)/100 = Rs. 5400
Amount = P + I = 18000 + 5400 = Rs. 23400 The answer is (E).

q: The average of five results is 46 and that of the first four is 45. The fifth result is?
Options:
(A) 22
(B) 02
(C) 78
(D) 50
(E) 18
a: Stream of consciousness: 5 * 46 4 * 45 = 50 The answer is (D).

q: John has 10pairs of dark blue socks and 10pairs of black socks. He keeps them all in the same bag. If he picks out 3socks at random, then what is the probability thathe will get a matching pair?
Options:
(A) 1
(B) 3
(C) 5
(D) 6
(E) 9
a:
Stream of consciousness: If he draws any combination of 3 socks he will definitely have the matching pair of either colour. The answer is (A).