RRB Group D 19-Sep-2018 Shift 1 Solved Paper

Question : 70 of 100

Marks: +1, -0

Three-sevenths o f my current age is the same as four-fifths of that of one of my cousin's. My age three years ago will be his age ten years hence. My current age is ____ years.

Validate

Solution:

My current age

=x

My cousin's current age

= {y}

\;{3}/{7} x=\;{4}/{5} y

.......... (i)
and

x-3=7+10

........... (ii)
from Eqn. (i) and Eqn. (ii)

{x}=28

years.

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