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The sum of digits of two …

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The sum of digits of two digits number is 11.if the number obtained by reversing the digit is 63 more than the original number.then find number

Posted by Faizan Shaikh 7 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Simran Patle 7 years, 10 months ago

Ans: let the digits. be x & y and no. be 10y+x revesing no. be 10x+y ATQ Case 1 x+y=11 ...(1) Case 2: 10x+y=10y+x+63 10x-x-10y+y=63 9x-9y=63 Or x-y=7 ...(2) By (1)&(2) x+y=11 x-y=7 =› 2x=18 x=9 By (1) x+y=11 y=11-x y=11-9 y=2 No. Will be 10y+x = 10×2+9 29

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Abhigya Mehra 7 years, 10 months ago

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