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A two digit number is such …

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A two digit number is such that the product of its digits is 18 .when 63 is subtracted from the number , the digit interchange their places find the number .

Posted by Lavkush Patel 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Saurabh Kesarwani 6 years, 11 months ago

Let the tens digit &unit digit be x&y Then xy=18=>y=18/x.....1 And(10x+y)-63=10y+x =>9x-9y=63 =>x-y=7........2

3Thank You

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CBSE > Class 10 > Mathematics