IBPS RRB Office Assistant 23 Sep 2017 Paper

(3) Arushi – Parul = Uma –Arushi – 3
⇒ 2 × Arushi – Parul – Uma= – 3 .... (i)
Again,
Sum of their present ages
= 93 + 18 = 111 years
⇒ Arushi + Parul + Uma = 111 years ... (ii)
On adding equations (i) + (ii),
3 × Arushi = 108
⇒ Arushi =

108

3

= 36 years