Question
What is A's present age, if after 15 years his age will
be 10 times his age 12 years back?Solution
Let A's present age be x. A's age 15 years ago = (x - 15) A's age after 12 years = (x + 12) According to question, =>(x + 15) = 10 (x – 12) => x + 15 = 10x – 120 => 9x = 135 => x = 15 years
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