Question

the age of rahual and dev are in ratio 5:7 four year later sum of their age will be 56 year what are their present ages​

Answer 1

Answer:

Step-by-step explanation:   According to the given question, after 4 years, the sum of the ages of Rahul and Haroon is 56 years. Rahul's age = 5x years = (5 × 4) years = 20 years. Haroon's age = 7x years = (7 × 4) years = 28 years.

Answer 2

Answer:

Rahul:20years Dev:28years

Step-by-step explanation:

Let the present age of Rahul be x years and dev their ages = 5:7

y

x

=

7

5

⇒x=

7

5y

⋯(1)

x+4+y+4=56

x+y=48

From equation (1) x=

7

5y

7

5y

+y=48

12y=7×48

y=28

put y = 28 in equation (1)

x=20

Age of Rahul is 20 years and dev is 28 years.

solution