A two digit number exceeds the sum of the digits of that number by 18 . If the digit at the place is double the digit in the ten , place what is the number ?
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24
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Step-by-step explanation:
Let the tens place digit be x and unit place digit be y.
Therefore, the two digit number is 10x + y.
Given
10x + y = x + y + 18
9x = 18
x = 2.
Also given y = 2x = 2 * 2 = 4
Therefore, the two digit number = 10x + y = 10 * 2 + 4 = 24
(OR)
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