## Solution
Given Exp. = (12)3 x 64 = (12) 3 x 64 = (12)2 x 62 = (72)2 = 5184
432 12 x 62
## What the question and answer could be
Find the value of y from (12)^3 x 6^4 432 = y?
Options:
(A) 3456
(B) 4567
(C) 4789
(D) 5678
(E) y=5184
(E)

## Solution
It is clear that 22 x 46 = 10 x 55 + K + 11 x 40 K = 22
## What the question and answer could be
The average mark obtained by 22 candidates in an examination is 46. The average of the first ten is 55 while the last eleven is 40 .The marks obtained by the 11th candidate is ?
Options:
(A) 22
(B) 0
(C) 19
(D) 18
(E) 16
(A)

## Solution
112 ounces of a substance has a volume of 48 cubic inches
63 ounces of a substance has a volume of (48/114)*63 = 26 cubic inches
## What the question and answer could be
The volume of a certain substance is always directly proportional to its weight. If 48 cubic inches of the substance weigh 114 ounces, what is the volume, in cubic inches, of 63 ounces of this substance?
Options:
(A) 27
(B) 26
(C) 42
(D) 64
(E) 147
(B)

## Solution
On dividing 427398 by 15 we get the remainder 3, so 3 should be subtracted
## What the question and answer could be
Find the least number must be subtracted from 427398 so that remaining no.is divisible by 15?
Options:
(A) 1
(B) 3
(C) 5
(D) 6
(E) 7
(A)