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10 students of class 10 took part in a mathematics quiz . if the number of girls is 4 more than the number of boys then ,find find the numbers of boys and number of girls who took part in the quiz
Asked by jaanooru | 13 Oct, 2023, 10:23: PM
Let x be number of girls and y be number of boys.

If total number of students is 10 , then we have

............................(1)
If number of girls is 4 more than number of boys , then

x- y = 4 ....................   (2)

By adding , equations (1) and (2) , we get , 2 x = 14  or x = 7

From equation(1) , y = 10 -x = 10-7 = 3

Hence 7 girls and  3 boys attended the quiz program
Answered by Thiyagarajan K | 14 Oct, 2023, 10:00: AM

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