In a city, 55% read newspaper A, 45% read B, 20% read both. % reading exactly one newspaper: MCQ with Answer and Explanation

In a city, 55% read newspaper A, 45% read B, 20% read both. % reading exactly one newspaper:

A. 50%

B. 55%

C. 60%

D. 65%

Answer: Option C

Only A = 55-20=35%, only B=45-20=25%, exactly one = 60%.

This question belongs to: Maths Percentage

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Question #1 Report Error

Employees reduced by 20%. To keep total wage bill same, wage per head must increase by:

A. 20%

B. 30%

C. 25%

D. 22.5%

Correct Answer: Option C

Explanation:
New employees 0.8, wage per head multiplier = 1/0.8 = 1.25, increase 25%.

This question belongs to: Maths Percentage

Question #2 Report Error

The price of a product increases by 20%, and then again by 20%. What is the net percentage increase?

A. 48%

B. 40%

C. 44%

D. 42%

Correct Answer: Option C

Explanation:
Successive percentage formula: 20 + 20 + (20 * 20 / 100) = 40 + 4 = 44%.

This question belongs to: Maths Percentage

Question #3 Report Error

A's income 30% less than B, B's 20% less than C. C's income is what % more than A's?

A. 78.57%

B. 80%

C. 66.67%

D. 72.5%

Correct Answer: Option A

Explanation:
A=0.7B, B=0.8C → A=0.56C → C = A/0.56, more = (0.44/0.56)×100 = 78.57%.

This question belongs to: Maths Percentage