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

Arithmetic Mcqs Basic Maths Mcqs 06/11/2020

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

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

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