Kashish is half his father’s age now. Fifteen years ago, he was one third of his father’s age. How old will he be after 10 years?
Question and options
Kashish is half his father’s age now. Fifteen years ago, he was one third of his father’s age. How old will he be after 10 years?
- 45 years
- 40 years
- 35 years
- 30 years
Answer and explanation
Correct answer: B - 40 years
Let Kashish be K and father 2K. Fifteen years ago: K - 15 = (2K - 15)/3, so 3K - 45 = 2K - 15, K = 30. After 10 years he will be 40.
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CUSAT CAT Integrated IPR Ph.D.
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