q: Find the odd man out
25, 49, 81, 121, 144, 169
Options:
(A) 49
(B) 121
(C) 144
(D) 169
(E) 25
a: Stream of consciousness: 144 is square of 12 which is even number where as all others are squares of odd numbers. The answer is (C).


question: In what time a sum of money double itself at 7% per annum simple interest?
Options:
(A) 33 1/8%
(B) 33 1/3%
(C) 14 2/7%
(D) 32 1/3%
(E) 23 1/3%
answer: Stream of consciousness: P = (P*7*R)/100
R = 14 2/7% The answer is (C).


q: How much more would Rs.30000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?
Options:
(A) 482
(B) 725
(C) 992
(D) 837
(E) 723
a: Stream of consciousness: 30000(11/10)4 - 30000(6/5)2 = 723 The answer is (E).


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
answer: Stream of consciousness: A = 8000(21/20)3 = 9261 The answer is (B).


q: The area of a side of a box is 120 sq cm. The area of the other side of the box is 72 sq cm. If the area of the upper surface of the box is 60 sq cm then find the volume of the box.
Options:
(A) 259200 cm3
(B) 86400 cm3
(C) 720 cm3
(D) Cannot be determined
(E) None of these
a: Stream of consciousness: Volume of the box = √120×72×60 = 720 cm3 The answer is (C).


q: Which of the following numbers is divisible by 4?
Options:
(A) 27767
(B) 10224
(C) 26778
(D) 26679
(E) 26711
a:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Stream of consciousness: 10224. This is the only option with last two digits divisible by 4 The answer is (B).