Question

Twice of Rahuls present age is equal to
three times of his age four
years back. Find his
present age
​

Answer 1

Answer:

let rahul's age be: x

2x= 4y(3)

x/y =4/2(3)

x/y = 2(3)

x/y = 6

his present age is 12

Answer 2

Answer:

Let rahuls present age be = x

Twice of rahuls age = 2x

Rahuls age 4 yrs back = x-4

3 times of his age 4 yrs back = 3[x-4]

Nor the equation required =   2x = 3[x-4]

                                  2x= 3x - 12

                                2x+ 12 = 3x

                               3x - 2x= 12

                               x = 12

Present age of rahul = 12

age of rahul 4 yrs back = x-4= 12-4= 8

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