Ages in Ages...By the way what's your age?

Algebra Level 2

Presently I am 2 years old and my sister is half my age. Then, what will be my sister's age when I will be 5 years old?


The answer is 4.

Shubham Joshi by Shubham Joshi , 20, India

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2 solutions

Richard Feynman
Jul 19, 2015

half of 2 is 1.Then you grow 3 years older, she will also grow 3 years older so 1 +3 = 4

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Shubham Joshi
Jul 19, 2015

Simple, My age is 2 and half is 1 (that is my sister's age), So my sister is 1 year old that is 2-1 = 1. Then after 5 years my sister will be 4 coz 5-1 = 4.

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