Question

the ages rahul and lakshmi in the ratio 5:7 four years later the sum of their will be 56 years their present age are _​

Answer 1

Answer:

let the present age of rahul=5x

let the present age of Lakshmi=7x

four years later

age of rahul will be = 5x+4

age of Lakshmi=7x+4

sum of their ages=5x+4+7x+4

56=12x+8

56-8=12x

48=12x

48/12=x

4=x

present age,

present age of rahul= 5(4)

=20 years

present age of Lakshmi=7(4)

=28years