Question: A single discount equivalent to the discount series of 20%, 10% and 25% is?
Options:
(A) 31.9
(B) 31.7
(C) 31.6
(D) 31.5
(E) 46
Answer: 100*(80/100)*(90/100)*(75/100) = 54
100 - 54 = 46
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) 9261
(B) 1261
(C) 9621
(D) 9162
(E) 5000
Answer: A = 8000(21/20)3 = 9261
The answer is (A).

Question: Find the least number must be subtracted from 5474827 so that remaining no.is divisible by 12?
Options:
(A) 3
(B) 5
(C) 4
(D) 7
(E) 2
Answer: On dividing 5474827 by 12 we get the remainder 7, so 7 should be subtracted
The answer is (D).

Question: Find the area of a parallelogram with base 24 cm and height 16 cm.
Options:
(A) 262 cm2
(B) 384 cm2
(C) 192 cm2
(D) 131 cm2
(E) None of these
Answer:
Area of a parallelogram = base * height = 24 * 16 = 384 cm2
The answer is (B).