Question

. 12 students of Class X took part in a Mathematics quiz. If the number of girls is 4 more than the

number of boys, find the number of boys and girls who took part in the quiz
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Answer 1

Step-by-step explanation:

Let the no. of boys be x.

No. of girls : 4 + x

According to the question, 4 + x + x = 12

Or, 2x + 4 = 12

Or, 2x = 12 - 4

Or, 2x = 8

Or, x = 8/2

Or, x = 4

Therefore, no. of boys = 4

no. of girls = 4+4

= 8

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Answer 2

Answer:

No. of boys = 4

No. of girls = 8

Step-by-step explanation:

No. of boys = x

:- No. of girls = X + 4

:- X +X+4 = 12

:- 2X + 4 = 12

:- 2X = 12 - 4

:- 2X = 8

:- X = 8/2

:- X = 4

:- No. of boys :- X

:- X = 4

:-No. of boys = 4

:- No. of girls = X + 4

:- X = 4

:- X+4 = 4+4 = 8

:- No. of girls = 8

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