Question: How much is 40% of 60 is greater than 4/5 of 25?
Options:
(A) 2
(B) 5
(C) 12
(D) 8
(E) 4
Answer: (40/100) * 60 (4/5) * 25
24 - 20 = 4
The answer is (E).

Question: If rupee one produces rupees nine over a period of 40 years, find the rate of simple interest?
Options:
(A) 22 1/6 %
(B) 22 8/2 %
(C) 25 1/2 %
(D) 22 1/2 %
(E) 22 5/2 %
Answer: 9 = (1*40*R)/100
R = 22 1/2 %
The answer is (D).

Question: Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?
Options:
(A) 3
(B) 4
(C) 5
(D) 6
(E) 8
Answer: 12/ (2 * 2) = 3 days
The answer is (A).

Question: The edge of a cube is 4a cm. Find its surface?
Options:
(A) 24a8
(B) 24a4
(C) 96a2
(D) 24a2
(E) 24a7
Answer:
6a2 = 6 * 4a * 4a = 96a2
The answer is (C).