Maths-

General

Easy

Question

# In a population of 100 persons, 40 persons like tea and 30 persons like coffee. 10 persons like both of them. How many persons like only tea?

- 10
- 20
- 30
- 40

Hint:

### People who like tea and people who like only tea are two different statements.

## The correct answer is: 30

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