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If the sum of two numbers is 36 and thei...

If the sum of two numbers is 36 and their H.C.F. and L.C.M. are `3 and 105` respectively, the sum of the reciprocals of the two numbers is (a) `2/(35)` (b) `3/(35)` (c) `4/(35)` (d) None of these

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RS AGGARWAL-HCF AND LCM OF NUMBERS-All Questions
  1. The L.C.M. of two numbers is 495 and their H.C.F. is 5. If the sum of ...

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

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

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

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

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

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

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

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

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

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  11. The H.C.F. of two numbers is 23 and the other two factors of their ...

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  12. About the number of pairs which have 16 as their H.C.F. and 136 as ...

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  13. The H.C.F. and L.C.M. of two numbers are 21 and 4641 respectively. ...

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  14. Two numbers, both greater than 29, have H.C.F. 29 and L.C.M. 4147. ...

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  15. L.C.M. of two prime numbers x and y(x > y) is 161. The value of 3y-...

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  16. The greatest number that exactly divides 105, 1001 and 2436 is (a) ...

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  17. 21 mango trees, 42 apple trees and 56 orange trees have to be plant...

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  18. The greatest possible length which can be used to measure exactly t...

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  19. The capacity of two pots is 120 litres and 56 litres respectively. ...

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  20. A daily wage labourer was engaged for a certain number of days for ...

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