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Question
In a 2 digit number, the units place digit is x. If the sum of digits be 9, then the number is (10x – 9).
Options
True
False
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Solution
This statement is False.
Explanation:
Given, unit’s digit = x
And sum of digits = 9
Ten’s digit = 9 – x
Hence, the number = 10(9 – x) + x
= 90 – 10x + x
= 90 – 9x
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