## Solution
Using the elimination method the option that fits this description is 27
7-2 = 5 (unit's digit that exceeds its ten's digit by 3)
27*9 = 243 (the product of the given number and the sum of its digits is equal to 175)
## What the question and answer could be
Given a two-digit number, the unit's digit exceeds its ten's digit by 5 and the product of the given number and the sum of its digits is equal to 90, which of the options is the number?
Options:
(A) 27
(B) 16
(C) 38
(D) 61
(E) 83
(A)

## Solution
P(B|A) = P(A B)/P(A)
P(B|A) = (6/15)/(2/15) = 3.
## What the question and answer could be
If P(A) = 2/15, P(B) = 4/15, and P(A B) = 6/15 Find P(B|A)
Options:
(A) 1/2
(B) 2/3
(C) 3
(D) 4/5
(E) 4/7
(C)

## Solution
Percentage of profit = 15/35 * 100 = 43%
## What the question and answer could be
If the cost price of 50 articles is equal to the selling price of 35 articles, then the gain or loss percent is?
Options:
(A) 16
(B) 127
(C) 12
(D) 18
(E) 43
(E)

## Solution
(3000 * 2 * 5)/60 = 4500 M3
## What the question and answer could be
A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?
Options:
(A) 4500 M3
(B) 27000 M3
(C) 3000 M3
(D) 2700 M3
(E) 3700 M3
(A)