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The ratio of two numbers is 13 : 15 a...

The ratio of two numbers is 13 : 15 and their L.C.M. is 39780. The numbers are (a) 884, 1020    (b) 884, 1040   (c) 670, 1340    (d) 2652, 3060

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RS AGGARWAL-HCF AND LCM OF NUMBERS-All Questions
  1. The product of two numbers is 2028 and their H.C.F. is 13. The numb...

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  2. Three numbers which are co-prime to each other are such that the pr...

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  3. The ratio of two numbers is 13 : 15 and their L.C.M. is 39780. T...

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  4. Three numbers are in the ratio of 3 : 4 : 5 and their L.C.M. is ...

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  5. The L.C.M. and ratio of four numbers are 630 and 2 : 3 : 5 : 7 r...

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  6. The H.C.F. and L.C.M. of two numbers are 12 and 336 respectively. I...

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  7. If the product of two numbers is 324 and their H.C.F. is 3, then th...

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  8. If H.C.F. of p and q is x and q=x y , then the L.C.M. of p and q...

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  9. The sum of two numbers is 2000 and their L.C.M. is 21879. The two n...

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  10. The H.C.F. and L.C.M. of two numbers are 84 and 21 respectively. If...

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  11. The L.C.M. of two numbers is 495 and their H.C.F. is 5. If the sum of ...

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  12. The product of the L.C.M. and H.C.F. of two numbers is 24. The diff...

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  13. If the sum of two numbers is 36 and their H.C.F. and L.C.M. are 3 and ...

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  14. The L.C.M. of two numbers is 12 times their H.C.F. The sum of H.C.F...

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  15. The H.C.F. and L.C.M. of two numbers are 50 and 250 respectively. I...

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  16. The product of two numbers is 1320 and their H.C.F. is 6. The L.C.M...

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  17. Product of two co-prime numbers is 117. Their L.C.M. should be (a) ...

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  18. The L.C.M. of three different numbers is 120. Which of the followin...

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  19. The H.C.F. of two numbers is 8. Which one of the following can neve...

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  20. If the L.C.M. of three numbers is 9570, then their H.C.F. can be (a...

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