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The LCM and HCF of the numbers 28 and 42...

The LCM and HCF of the numbers 28 and 42 are in the ratio:

A

`6:1`

B

`2:3`

C

`3:2`

D

`7:2`

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The correct Answer is:
A
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ARIHANT PUBLICATION PUNJAB-LCM AND HCF-CHAPTER EXERCISE
  1. The LCM of two numbers is 864 and their HCF is 144 . If one of th...

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  2. If the product of LCM and HCF is 124416. If one of the number is 864, ...

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  3. The LCM and HCF of the numbers 28 and 42 are in the ratio:

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  4. Biggest common factor of (18, 20 and 28)/2 is equal to

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  5. The LCM of (1)/(3), (2)/(9), (5)/(6) and (4)/(27) is equal to

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  6. The LCM of two numbers is 693 and their HCF is 11. One of the number i...

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  7. If the ratio of two numbers is 3:4 and their LCM is 84 then find the l...

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  8. (Smallest common multiple of 8,12 and 15) - (Highest common factor of ...

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  9. (Smallest common multiple of 12 and 16) xx (Smallest common multiple o...

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  10. The sum of all the factors of 100 is

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  11. The number of factors of 105 is:

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  12. The difference between the smallest common multiple and biggest common...

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  13. The number of factors of 42 is

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  14. (Smallest common multiple of 36 and 60) / (Biggest common factor of 18...

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  15. The sum of the positive factors of 210 is

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  16. Difference of (Smallest common multiple of 4, 5 and 6) and (Smallest c...

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  17. The sum of all the positive factors of 96 is

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  18. (Sum of multiples of 7 between 21 and 49) div (Biggest common factor o...

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  19. Sum of all the factors of 84, which are the multiple of 7 is

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  20. The product of the smallest common multiple and the biggest common fac...

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