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The number of two digit prime numbers, w...

The number of two digit prime numbers, with distinct digits, on being reversed they give again the prime number is :

A

3

B

5

C

8

D

11

Text Solution

Verified by Experts

The correct Answer is:
C
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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
  1. The number of two digit numbers which on being reversed (i.e., their d...

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

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

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

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

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

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

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  8. 5/4 th of a number is 60 more than half of the same number the require...

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

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

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

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

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

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

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  15. Find the digital sum of 7586902.

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  16. The product of 174 and 26 is 4524.

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  17. Find the product of 102030 xx 405060 xx 708090

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

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  19. Which of the following is not a valid Pythagorean relation in which x^...

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  20. The speeds of three cars are in the ratio 2 : 3 : 5. The ratio of the ...

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