(Q) Rohan’s mother is 26 years older than him. The product of their ages (in years) 3 years from now will be 360. We would like to find the Rohan’s present age.
Ans: Let’s Rohan’s age be
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Hence, his mother’s age is ![]()
3 years later, Rohan’s age will be:
and his mother’s age will be ![]()
By given condition, product of their ages after 3 years is 360
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Here, we reject x = – 39 because the value of age can not be a negative number.
Hence, Rohan’s age is 7 yrs.
Check:
If Rohan’s age is 7 yrs, his mother’s age is 33 yrs.
After 3 yrs, their ages will 10 yrs and 36 yrs.
Product of their ages = 10 × 36 = 360
Since it meets the given condition, hence our answer is correct.
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