Rationale: In this series, each number is repeated, then 12 is subtracted to arrive at the next number.
The answer: (E)
Question: Look at this series: 53, 53, 41, 41, 29, 29, ... What number should come next?
Options:
(A) A) 12
(B) B) 14
(C) C) 27
(D) D) 53
(E) E) 17

Rationale: A = 8000(21/20)3 = 9261
The answer: (B)
Question: Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?
Options:
(A) Rs.1261
(B) Rs.9261
(C) Rs.9621
(D) Rs.9162
(E) Rs.9164

Rationale: Sum of 10 even numbers = 10 * 11 = 110
Average = 110/10 = 11
The answer: (D)
Question: The average of first 10 even numbers is?
Options:
(A) 17
(B) 199
(C) 16
(D) 11
(E) 123