The present age of a father is twice as that of his son. 10 years ago, the age of father was thrice the age of his son. If the ratio of present age of son’s mother to father is 9 : 8, then find the difference between present age of mother and son (in years)?
- AOption (a)
24
- BOption (b)
30
- COption (c)
18
- DOption (d)
25
- EOption (e)
20
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Correct answer
25