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The number of primes between 90 and 100 ...

The number of primes between 90 and 100 is
(a) 0       
(b) 1           
(c) 2         
(d) 3

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RD SHARMA ENGLISH-PLAYING WITH NUMBERS-All Questions
  1. Which of the following are co-primes? (a) 8, 10          (b) 9, 10...

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  2. Which of the following is a prime number (a) 263          (b) 361 ...

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  3. The number of primes between 90 and 100 is (a) 0        (b) 1     ...

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  4. Which of the following numbers is a perfect number? (a) 16       ...

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  5. Which of the following is a prime number? (a) 203         (b) 139 ...

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  6. The total number of even prime numbers is (a) 0      (b) 1      (...

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  7. Which one of the following is a prime number? (a) 161      (b)  22...

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  8. The least prime number is (a)1         (b)2         (c)3       (...

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  9. Which of the following numbers is divisible by 5 or by 10? (i) 3345 (i...

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  10. Which of the following numbers is divisible by 4? (a) 8675231      ...

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  11. Which of the following numbers is divisible by 6? (a) 7908432   ...

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  12. Which of the following numbers is divisible by 8? (a) 87653234      ...

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  13. Which of the following numbers is divisible by 9? (a) 9076185       ...

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  14. Which of the following numbers is divisible by 11? (a) 111111    (...

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  15. If 1*548 is divisible by 3, then * can take the value (a)0         ...

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  16. 5 * 2 is a three digit number with * as a missing digit. If the numb...

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  17. What least value should be given to * so that the number 6342 * 1 is...

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  18. What least value should be given to * so that the number 653 * 47 is...

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  19. What least value should be given to * so that the number 653 * 47 is...

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