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Home Aptitude Problems on H.C.F and L.C.M Comments

  • Question
  • The measuring rods are 64 cm, 80 cm and 96 cm in length. The least length of cloth that can be measured exact number of times using any one of the above rods bis?


  • Options
  • A. 0.96 m
  • B. 19.20 m
  • C. 9.60 m
  • D. 96.00 m

  • Correct Answer
  • 9.60 m 

    Explanation

    Required length = L. C . M of (64, 80, 96) cm
    = 960 cm
    = 9.60 m.


  • Problems on H.C.F and L.C.M


    Search Results


    • 1. 
      The least number which when divided by 15, 27, 35 and 42, leaves in each case a remainder 7 is?

    • Options
    • A. 1883
    • B. 1897
    • C. 1987
    • D. 2007
    • Discuss
    • 2. 
      The greatest number of four digits which is divisible by each one of the numbers 12, 18 21 and 28 is?

    • Options
    • A. 9848
    • B. 9864
    • C. 9828
    • D. 9636
    • Discuss
    • 3. 
      The least number, which when divided by 16, 18 and 21 leaves the remainder 3, 5 and 8 respectively, is?

    • Options
    • A. 893
    • B. 992
    • C. 995
    • D. 1024
    • Discuss
    • 4. 
      About the number of pairs which have 16 as their H.C.F and 136 as their L.C.M. We can definitely say that?

    • Options
    • A. Only one such pair exists
    • B. Only two such pair exists
    • C. Many such pairs exists
    • D. No such pair exists
    • Discuss
    • 5. 
      The product of two numbers is 1600 and their H.C.F is 5. The L.C.M. of the numbers is?

    • Options
    • A. 320
    • B. 1605
    • C. 1595
    • D. 8000
    • Discuss
    • 6. 
      The number of prime factors in the expression (6) 10 x (7) 17 x (11) 27 is?

    • Options
    • A. 54
    • B. 64
    • C. 71
    • D. 81
    • Discuss
    • 7. 
      What least number must be subtracted from 1294 so that the remainder when divided by 9, 11, 13 will leave in each case the same remainder 6?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. 3
    • Discuss
    • 8. 
      The least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder is?

    • Options
    • A. 1677
    • B. 1683
    • C. 2523
    • D. 3363
    • Discuss
    • 9. 
      The greatest number by which if 1657 and 2037 are divided the remainders will be 6 and 5 respectively, is?

    • Options
    • A. 127
    • B. 235
    • C. 260
    • D. 305
    • Discuss
    • 10. 
      Six bell commence tolling together and toll at intervals of 5, 10, 15, 20, and 30 s, respectively. In 60 min, how many times do they toll together?

    • Options
    • A. 20
    • B. 15
    • C. 13
    • D. 11
    • Discuss


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