A woman is 30 times older than her son. 18 years later she will be thrice as old as her son. What is the woman's present age in years ?

A woman is 30 times older than her son. 18 years later she will be thrice as old as her son. What is the woman's present age in years ? Correct Answer 40

Hints: Let woman's age = w sons = s w = 30 s এবং, w + 18 = 3(s + 18) w + 18 = 3s + 54 10w + 180 = 30s + 540 [10 multiplication by both side] 10w + 180 = w + 540 9w = 540 - 180 9w = 360 w = 40 (ans)
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