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Question

There are $50$ students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. Ten students can speak both English and Hindi. If the number of students who can speak English is $21$ , then how many students can speak Hindi, only Hindi and only English.

39, 29

and

11

respectively

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37, 27

and

13

respectively

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28, 18

and

22

respectively

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21, 11

and

29

respectively

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Solution

The correct option is D $39, 29$ and $11$ respectively
Option A is the correct answer
Explanation:
Total No of students $= 50$
No of students who can speak both English and Hindi $= 10$
No of students who can speak Hindi $= 50 - 21 = 29 + 10 = 39$
No of students who can speak only Hindi $= 50 - 21 = 29$
No of students who can speak only English $= 21 - 10 = 11$

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In a group of 950 persons, 750 can speak Hindi and 460 can speak English. Find :

(i) how manycan speak both Hindi and English

(ii) how many can speak Hindi only

(iii) how many can speak English only.

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