Question
The respective ages of a mother and her daughter are 45
and 13 years. In how many years will the mother be thrice as old as her daughter?Solution
Mother’s age = 45 years Daughter’s age = 13 years Let after ‘t’ years, mother’s age is thrice of her daughter. => 45 + t = 3(13 + t) => 45 + t = 39 + 3t => 2t = 6 => t = 3 yrs
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