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IBPS RRB Office Assistant 2019 Paper
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© examsnet.com
Question : 50
Total: 80
A is 6 years younger than B and ratio of present age of B to C is
12
:
5
. If ratio of present age of A to C is
2
:
1
, then find present age of B ?
20 yr
30 yr
24 yr
18 yr
None of these
Validate
Solution:
Let, the present ages of Band C be 12x yr and 5x yr.
Then, the present age of A = 10x yr.
According to question,
12x - 10x = 6
x = 3
∴ Present age of 8 = 12x = 12 × 3 = 36 yr.
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