Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?

A. 19
B. 20
C. 21
D. 22

Submitted by: Abdul Sami Bhayo

let her age be x

after 1 year her age will be x+1=2(x-10)

x+1=2x-20

1+20=2x-x

x=21 years