RRB NTPC Mains or Stage 2 Model Paper 10 with solutions

Question : 19 of 120

Marks: +1, -0

The average age of a man and his son is 16 years. The ratio of their ages is 15 : 1 respectively. What is the son’s age?

Solution:

{15x +x }/2=16

or,

x ={16× 2}/16 =2

years
Hence age of the son = 2 years

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