IBPS Clerk Prelims 2017 Paper

(c) Average age of P and Q 2 year ago = 26
Present Average age

P+Q

2

=28
Present age P + Q = 56
P’s age after 5 year = 40
Now P’s age = 40 – 5 = 35
Q’s age = 56 – 35 = 21
R’s age = 21 + 5 = 26
Required difference = 35 – 26 = 9