RRB Group D 23-Oct-2018 Shift 3 Solved Paper

Question : 30 of 100

Marks: +1, -0

Keong is 25 years younger than Ryu; 12 years ago, Ryu's age was 2.25 times that of Keong. How old is Ryu now (in years)?

Solution:

{K}={R}-25

.....(1)

{R}-12=2.25({K}-12)

{R}-12=2.25({R}-25-12)

2.25 ×37-12=1.25 {R}

{R}=57

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