Question

Nidhi is 16 years old and his brother is 5 years old in how many years will it be twice the age of his brother

Answer 1

Let the years be x

Then,

16+x=2(5+x)

16+x = 10+2x

x = 6 years

HOPE THIS WILL HELP U

Answer 2

Answer:

let Nidhi's age be X years

16+X =2(5+x)

16+X =10+2x

16-10=2x-x

X=6

so, after 6 years, Nidhi's age will be twice the age of his brother.