Question

12 students of class IX took part in GK quiz. If the number of boys is 4 more than the number of girls. Find the number of boys and girls took part in the quiz ?
A) 7, 5
B) 9, 3
C) 8, 4
D) 6, 6

Answer 1

12 students of class IX took part in GK quiz. If the number of boys is 4 more than the number of girls. Find the number of boys and girls took part in the quiz ?
A) 7, 5
B) 9, 3
C) 8, 4
D) 6, 6

Answer: C) 8, 4

Explanation:

Let the number of girls be x.
Let the number of boys be x + 4.

°•° x + x + 4 = 12

Or, 2x + 4 = 12

Or, 2x = 12 - 4

Or, 2x = 8

Or, x = 8/2

•°• x = 4

No. Of girls = x = 4

No. of boys = x + 4 = 4 + 4 = 8

Answer 2

Heyy mate ❤✌✌❤

Here's your Answer....

⤵️⤵️⤵️⤵️⤵️⤵️

Let the number of girls be x.

Then, Number of boys = x + 4.

A.T.Q

x + x + 4 = 12

=> 2x = 12 - 4

=> x = 8/2

=> x = 4.

Therefore,

Boys = x+ 4 =8.
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