Answer: (C)
Question: The average of first 16 even numbers is?
Options:
(A) 10
(B) 11
(C) 17
(D) 13
(E) 14
[CoT]: [Sum of 16 even numbers = 16 * 17 = 272
Average = 272/16 = 17]

Answer: (B)
Question: Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?
Options:
(A) 9269
(B) 9261
(C) 9262
(D) 9231
(E) 9263
[CoT]: [A = 8000(21/20)3 = 9261]

Answer: (B)
Question: Pipes A and B can fill a cistern in 8 and 24 minutes respectively. They are opened an alternate minutes. Find how many minutes, the cistern shall be full?
Options:
(A) 22
(B) 12
(C) 88
(D) 99
(E) 27
[CoT]: [1/8 + 1/24 = 1/6
6 * 2 = 12]

Answer: (C)
Question:
A train running at the speed of 60 km/hr crosses a pole in 6 seconds. Find the length of the train.
Options:
(A) 150 m
(B) 145 m
(C) 100 m
(D) 135 m
(E) 155 m
[CoT]: [Speed = 60*(5/18) m/sec = 50/3 m/sec
Length of Train (Distance) = Speed * Time
(50/3) * 6 = 100 meter]