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If x\ a n d\ y are co-primes, then their...

If `x\ a n d\ y` are co-primes, then their LCM is (a)1 (b) `x/y` (c) `x y` (d) None of these

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RD SHARMA ENGLISH-WHOLE NUMBERS-All Questions
  1. The predecessor of 1 in natural number is 0 (b) 2 (c) -1 (d)...

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  2. The predecessor of 1 in whole number is (a)0 (b) -1 (c) 2 (d)...

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  3. The predecessor of 1 million is (a)9999    (b)99999      (c)99999...

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  4. The successor of 1 million is (a)10001      (b)  100001       (c)...

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  5. The product of the successor and predecessor of 99 is (a)9800      ...

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  6. The product of a whole number (other than zero) and its successor is...

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  7. The product of the predecessor and successor of an odd natural numb...

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  8. The product of the predecessor and successor of an even natural numb...

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  9. The successor of the smallest prime number is

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  10. If x\ a n d\ y are co-primes, then their LCM is (a)1 (b) x/y (...

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  11. The HCF of two co-primes is (a) the smaller number (b) the larger num...

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  12. The smallest number which is neither prime no composite is 0       ...

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  13. The product of any natural number and the smallest prime is (a)an e...

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  14. Every counting number has an infinite number of (a)factors            ...

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  15. The product of two numbers is 1530 and their HCF is 15. the LCM of t...

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  16. The least number divisible by each of the numbers 15, 20, 24 and 32 ...

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  17. The greatest number which divides 134 and 167 leaving 2 as remainder...

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  18. Which of the following numbers is prime number? (a)91        (b)  ...

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  19. If two numbers are equal, then (a)their LCM is equal to their HCF ( b)...

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  20. a\ a n d\ b are two co-primes. Which of the following is/are true? ...

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