if a man 20% more than …
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Rashmi Bajpayee 9 years, 1 month ago
Let the age of sister be x years.
Therefore, according to question, the man's age = x + 20% of x
Therefore, x + 20% of x = 42
=> x + (20/100)x = 42 => x + x/5 = 42
=> 6x/5 = 42 => x = (42 x 5)/5 = 35 years
Therefore, the age of sister is 35 years.
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