Question

10 student of class 10 took part in a mathematics qyiz if the number of girls is 4 more then number of boys fond the number of boys and girls who took part in the quiz with graph​

Answer 1

Step-by-step explanation:

let the no. of girls who took part in the quiz be x

let the no. of boys who took part in the quiz be y

x+y=10 ---------------------------------(1)

x=y+4 ---------------------------------(2)

substituting the value of x in eq 1 we get

y+4+y=10

2y+4=10

2y=6

y=3

substituting the value of y in eq 2 we get

x=y+4

x=3+4

x=7

hence, the no. of girls who took part in the maths quiz is 7 and the no. of boys who took part in the maths quiz is 3

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Answer 2

Step-by-step explanation:

let the number of boys = x

number of girls = 4 more than the number of boys

= x + 4

according to the question,

total students participated in quiz = 10

number of boys + number of girls = 10

x + x + 4 = 10

2x + 4 = 10

2x = 10 - 4

2x = 6

x = 6 / 2

x = 3

therefore number of boys = x = 3

therefore number of girls = x + 4

= 3 + 4

= 7

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