1.

A man is 50 years old. His brother is 7 years older than him and his sister is 12 years younger than his brother. When his sister was 15 years old, then the men’s age was:1). 27 yrs2). 19 yrs3). 15 yrs4). 20 yrs

Answer»

Let ages of Man, SISTER and Brother be M, S, B years respectively.

Given,

⇒ M = 50 years.

⇒ B = 50 + 7 = 57 years

⇒ S = 57 – 12 = 45 years

Difference in his age and his sister age =

= 50 – 45 = 5 years

Given,

∴ His sister’s age = 15 years then his age = 15 + 5 = 20 years.


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