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​In a group of 40 people, 25 people speak Hindi and 20 people speak both Hindi and Urdu. All the people speak at least one of the two languages. How m
Question

In a group of 40 people, 25 people speak Hindi and 20 people speak both Hindi and Urdu. All the people speak at least one of the two languages. How many people speak only Urdu?

A.

65

B.

15

C.

45

D.

20

Correct option is B

Given:

Total people = 40

Hindi speakers = 25

Both Hindi & Urdu = 20

Everyone speaks at least one language

Solution:

Step 1: Find Urdu speakers (total).

From earlier calculation:
40 = 25 + Urdu − 20
→ Urdu = 35

So, 35 people speak Urdu in total.

Step 2: Find only Urdu speakers.

Only Urdu = Total Urdu − Both
= 35 − 20
= 15

Final Answer:

15 people speak only Urdu.

Correct option: (b) 15

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