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The number of two digit numbers which on...

The number of two digit numbers which on being reversed (i.e., their digits exchanged the position) gives out perfect square two digit numbers:

A

1

B

4

C

6

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
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  2. When a two digit number is reversed, then the new number becomes 5/6 t...

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  3. The number of two digit numbers which on being reversed (i.e., their d...

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  4. The number of two digit numbers which are prime :

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  5. The number of two digit prime numbers, with distinct digits, on being ...

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  6. The total number of two digit numbers whose unit digit is either, same...

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  7. The number of two digit numbers which are perfect square and perfect c...

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  8. Aprajita multiplies a number by 72 insted of 27, then her new answer w...

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  9. If the numerator and denominator of a fraction are exchanged then the ...

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  10. 5/4 th of a number is 60 more than half of the same number the require...

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  11. When 50 is added to the 50% of a number, then the number becomes itsel...

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  12. If we reverse the digits of a two digit number then the difference bet...

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  13. A two digit number is 4 times the sum of its digits and the unit digit...

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  14. When a two digit number is subtracted from the other two digit number ...

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  15. There is a three digit number such that the sum of its end digits (uni...

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  16. A three digit number which on being subtracted from another three digi...

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  17. Find the digital sum of 7586902.

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  18. The product of 174 and 26 is 4524.

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  19. Find the product of 102030 xx 405060 xx 708090

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  20. For any natural number n, if D (n) is the sum of all the digits of D(n...

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