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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 ?

Correct Answer: 8, 4

Explanation:

Let the number of girls = x


=> x + x + 4 = 12


=> 2x = 8


=> x = 4


=> Number of girls = 4


=> Number of boys = 4 + 4 = 8


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