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The difference between a two digit numbe...

The difference between a two digit number and the number obtained by interchanging the digit is s36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1:2? a. 4          b. 8         c. 16         d. none of these

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RS AGGARWAL-PROBLEMS ON NUMBERS-All Questions
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