(Ans). (D)
(Question). For some integer n, n^2 - 5 is divisible by all of the following EXCEPT
Options:
(A) 41
(B) 38
(C) 29
(D) 30
(E) 31
(CoT). Hint: n^2-5 (n is an integer) is never multiple of 3 (try to prove this), hence 30 is out.

(Ans). (E)
(Question). Four of the following five parts (a), (b), (c), (d) and (e) are exactly equal. The number of the part which is not equal to the other four parts is your answer.
Options:
(A) 30 14 7 5
(B) 10 3 100 7
(C) 53600
(D) 450 50 50 5 30
(E) 10 3 + 120 2
(CoT). Other parts are equal to 300.

(Ans). (D)
(Question). What amount does Kiran get if he invests Rs. 18000 at 15% p.a. simple interest for three years?
Options:
(A) 29893
(B) 27773
(C) 29989
(D) 26100
(E) 29883
(CoT). Simple interest = (18000 * 3 * 15)/100 = Rs. 8100
Amount = P + I = 18000 + 8100 = Rs. 26100

(Ans). (D)
(Question).
The average of first 12 even numbers is?
Options:
(A) 10
(B) 11
(C) 12
(D) 13
(E) 14
(CoT). Sum of 12 even numbers = 12 * 13 = 156
Average = 156/13 = 13