Question: There are 3 persons Sudhir, Arvind, and Gauri. Sudhir lent cars to Arvind and Gauri as many as they had already. After some time Arvind gave as many cars to Sudhir and Gauri as many as they have. After sometime Gauri did the same thing. At the end of this transaction each one of them had 24. Find the cars each originally had.
Options:
(A) Sudhir had 34 cars, Arvind had 21 cars and Gauri had 12 cars.
(B) Sudhir had 38 cars, Arvind had 21 cars and Gauri had 12 cars.
(C) Sudhir had 39 cars, Arvind had 21 cars and Gauri had 12 cars.
(D) Sudhir had 32cars, Arvind had 21 cars and Gauri had 12 cars.
(E) Sudhir had 36 cars, Arvind had 21 cars and Gauri had 12 cars.
Answer: Sudhir Arvind Gauri
Finally 24 24 24
Before Gauri's transaction 12 12 48
Before Arvind's transaction 6 42 24
Before Sudhir' s transaction 39 21 12
The answer is (C).

Question: X can finish a work in 25 days. Y can finish the same work in 20 days. Y worked for 12 days and left the job. how many days does X alone need to finish the remaining work?
Options:
(A) 2
(B) 5
(C) 6
(D) 7
(E) 8
Answer: Work done by X in 1 day = 1/25
Work done by Y in 1 day = 1/20
Work done by Y in 12 days = 12/20 = 3/5
Remaining work = 1 3/5 = 2/5
Number of days in which X can finish the remaining work = (2/5) / (1/20) = 8
The answer is (E).

Question: Rs.800 amounts to Rs.920 in 3 years at simple interest. If the interest is increased by 3%, it would amount to how much?
Options:
(A) 3387
(B) 277
(C) 223
(D) 992
(E) 213
Answer: (800*3*3)/100 = 72
920 + 72 = 992
The answer is (D).

Question: 1,2,4,7,_,16
Options:
(A) 11
(B) 9
(C) 10
(D) 12
(E) 13
Answer:
Each new number is the same as the last number with the adder growing by 1. This would yield 11.
The answer is (A).