If 75% students of a class answered the first question in a test correctly, 55% answered the second question correctly and 20% answered the questions neither of correctly. What percent answered both the questions correctly?

If 75% students of a class answered the first question in a test correctly, 55% answered the second question correctly and 20% answered the questions neither of correctly. What percent answered both the questions correctly?

A 30

B 35

C 40

D 50

Solution

Correct Answer: Option D