class 10 maths EXERCISE 3.2

1. Form the pair of linear equations in the following problems, and find their solutions
(i) 10 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.

class 10 maths 3.1 question 1

Aftab tells his daughter, Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be. (Isnt this interesting?) Represent this situation algebraically and graphically.

Let the present age of Aftab be = x

present age of his daughter = y