Question

Anaya is 9 years older than Anjana. In 10 Years Anaya will be twice as old as Anjana was 10 years. Find their present age​

Answer 1

Answer:

let anjana age be x

anaya age=x+9

after 10 yrs

x+19=2x-10

2x-x=19+10

x=29

Answer 2

Given : Shristi is nine years older than anjana.

In ten years, shristi will be twice as old as anjana was ten years ago.

To find :  their present ages.​

Solution:

Anjana Present age =  A years

Shristi is nine years older

=> Shristi Present age = A + 9  Years

In ten years, shristi will be  = A + 9 + 10  = A + 19 years

anjana  ten years ago. = A - 10  years

In ten years, shristi will be twice as old as anjana was ten years ago.

=> A + 19 = 2(A - 10)

=> A + 19  = 2A - 20

=> A = 39

Anjana Present age =  39  years

Shristi Present age  = 48  Years

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