Math, asked by vanaadipkdsh8ivasus, 1 year ago

a two digits number is such that the product of digits is 20. when 9 is added to the number then the digits interchange thier places find the number ten's digit is X and unit digit is Y = so number is 10X+Y - wantt to know why the number is taken as 10X+Y

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Answered by mysticd
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