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The difference of a number consisting of...

The difference of a number consisting of two digits and the number formed by interchanging the digits is always divisible by 5 (b) 7 (c) 9 (d) 11

A

5

B

7

C

9

D

11

Text Solution

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The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-NUMBERS-QUESTION BANK -1
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  7. If n is any natural number then n^(2)(n^(2)-1) is always divisible

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  8. The sum of all possible two digit numbers formed from three different ...

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  9. A 6-digit number is formed by repeating a 3-digit number: for examp...

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  11. In the product 459 xx 46 xx 28* xx 484, the digit in the unit place is...

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  13. When a number is divided by 893 , the remaineder is 193 . What will be...

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  14. What is the least natural number which leaves no remainder when div...

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  16. Consider the following statements: A. The product of an integer and ...

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  17. The rational number lying between 5/6 and 6/7 is

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  18. Rational number (-18)/5 lies between consecutive integers :

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  19. A rational equivalent to (-24)/20 with denominator 25 is :

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  20. The pair of rational numbers that lies between (1)/(4) and (3)/(4) is?

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