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IBPS PO Prelims Model Paper 12
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© examsnet.com
Question : 58
Total: 100
The average age of a man and his son is 30 years. Four years ago, the ratio of their ages was 10:3. What is the difference between the present ages of the man and his son?
28 years
16 years
26 years
44 years
None of these
Validate
Solution:
Let the present ages of man and son be M and S.
According to the question,
(
M
+
S
)
2
=
30
M + S = 60 ………… (1)
Also,
M
−
4
S
−
4
=
10
3
10S – 3M = 28………… (2)
On solving (1) and (2), we get
S = 16 and M = 44
Therefore, M – S = 28 years
© examsnet.com
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