Question
A’s age is 140% of what he was 2 years ago, But 70% of
what it will be after 2 years. What is his present age?Solution
Let present age of A be x years. => 140% of (x - 2) = 70% of (x + 2) => 2(x - 2) = (x + 2) => 2x – 4 = x + 2 => x = 6 years
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_______________ is used in second generation computer.
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Margin that is added to the binding side of the page when printing?
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