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The sum of the digits of a two digit num...

The sum of the digits of a two digit number si `1/5` of the difference between the number and the number obtained by interchanging the positions of the digits. What is definitely the difference between the digits of that number? a. 5 b. 7 c. 9 d. Data inadequate e. none of these

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RS AGGARWAL-PROBLEMS ON NUMBERS-All Questions
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  2. The difference between a to digit number and the number obtained by...

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  9. If the square of a two digit number is reduced by the square of the...

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  14. A two digit number is such that the product of the digits is 8. Whe...

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  15. In a number of three digits, the digits in the unit’s place and in ...

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  16. In a three digit number the digit in the unit’s place is 75% of the...

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  17. The product of two fractions is (14)/(15) and their quotient is (35)/(...

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