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The H.C.F. of a/b , c/d , e/f is equal t...

The H.C.F. of `a/b , c/d , e/f` is equal to (a) `(LCM of \ a ,\ c ,\ e)/(HCF of\ b ,\ d ,\ f)` (b) `(HCF of\ a ,\ c ,\ e)/(LCM of\ b ,\ d ,\ f)` (c) `(HCF of\ a ,\ c ,\ e)/(HCF of\ b ,\ d ,\ f)` (d) `(a c e)/(b df)`

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RS AGGARWAL-HCF AND LCM OF NUMBERS-All Questions
  1. The L.C.M. of 22, 54, 108, 135 and 198 is (a) 330     (b) 1980  ...

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  2. The L.C.M. of 148 and 185 is (a) 680      (b) 740    (c) 2960   ...

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  3. The H.C.F. of a/b , c/d , e/f is equal to (a) (LCM of \ a ,\ c ,\ e)/(...

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  4. The HCF of 2/3, 8/9, 64/81 and 10/27 is...

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  5. The H.C.F. of 9/(10),(12)/(25),(18)/(35) and (21)/(40) is 3/5 (b) (...

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  6. The L.C.M. of 1/3,5/6,2/9,4/(27) is 1/(54) (b) (10)/(27) (c) (20)/3...

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  7. The L.C.M. of 2/3,3/5,4/7,9/(13) is (a) 36 (b) 1/(36) (c) 1/(1365) ...

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  8. The L.C.M. of 3/4,6/7,9/8 is (a) 3 (b) 6 (c) 9 (d) 18

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  9. The H.C.F. of 1.75, 5.6 and 7 is (a) 0.07       (b) 0.7       (c...

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  10. The G.C.D. of 1.08, 0.36 and 0.9 is (a) 0.03     (b) 0.9      (c...

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  11. The H.C.F. of 0.54, 1.8 and 7.2 is (a) 1.8       (b) 0.18       ...

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  12. The L.C.M. of 3, 2.7 and 0.09 is (a) 2.7       (b) 0.27       (c...

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  13. If A ,\ B and C are three numbers, such that the L.C.M. of A and B ...

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  14. H.C.F. of 3240, 3600 and a third number is 36 and their L.C.M. is 2^4x...

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  15. Three numbers are in the ratio 1 : 2 : 3 and their H.C.F. is 12....

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  16. The ratio of two numbers is 3:4 and their HCF is 4. Their LCM is 12...

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  17. The sum of two numbers is 216 and their H.C.F. is 27. The numbers are ...

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  18. The sum of two numbers is 528 and their H.C.F. is 33. The number of...

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  19. The number of number-pairs lying between 40 and 100 with their H.C.F. ...

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  20. The H.C.F. of two numbers is 12 and their difference is 12. The num...

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