Question
What is the value of a two digit number? I. The
sum of the digits of the number is 9. II. The digit at the tens place is 125% of the digit at the unit place.Solution
From I and II Let the number be 10x + y Now, x + y = 9……..(i) ∴ x = 125/100 y = 5/4 y………(ii) From (i) and (ii), we get x = 5, y = 4 ∴ Required number = 54
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