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Home Aptitude HCF and LCM Comments

  • Question
  • H.C.F of 4 x 27 x 3125, 8 x 9 x 25 x 7 and 16 x 81 x 5 x 11 x 49 is


  • Options
  • A. 180
  • B. 360
  • C. 540
  • D. 1260

  • Correct Answer
  • 180 


  • Search Results


    • 1. Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 .The smallest numbers is

    • Options
    • A. 4
    • B. 5
    • C. 6
    • D. 10
    • Discuss
    • 2. The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number is

    • Options
    • A. 77
    • B. 88
    • C. 99
    • D. 110
    • Discuss
    • 3. If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to:

    • Options
    • A. 55/601
    • B. 601/55
    • C. 11/120
    • D. 120/11
    • Discuss
    • 4. L.C.M of two prime numbers x and y (x>y) is 161. The value of 3y-x is :

    • Options
    • A. -2
    • B. -1
    • C. 1
    • D. 2
    • Discuss
    • 5. The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 100, then their difference is

    • Options
    • A. 10
    • B. 46
    • C. 70
    • D. 90
    • Discuss
    • 6. If HCF of two numbers is 8,which of the following can never be their LCM?

    • Options
    • A. 32
    • B. 48
    • C. 60
    • D. 152
    • Discuss
    • 7. A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is ?

    • Options
    • A. 63
    • B. 31
    • C. 16
    • D. 27
    • Discuss
    • 8. LCM of 80, 85, 90

    • Options
    • A. 11440
    • B. 11998
    • C. 12240
    • D. 12880
    • Discuss
    • 9. A drink vendor has 368 liters of Maaza, 80 liters of Pepsi and 144 liters of Sprite. He wants to pack them in cans, so that each can contains the same number of liters of a drink, and doesn't want to mix any two drinks in a can. What is the least number of cans required ?

    • Options
    • A. 47
    • B. 46
    • C. 37
    • D. 35
    • Discuss
    • 10. The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is:

    • Options
    • A. 91
    • B. 910
    • C. 1001
    • D. 1911
    • Discuss


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