Question
A’s age is 180% of what he was 5 years ago, But 90% of
what it will be after 5 years. What is his present age?Solution
Let present age of A be x years. => 180% of (x - 5) = 90% of (x + 5) => 2(x - 5) = (x + 5) => 2x – 10 = x + 5 => x = 15 years
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