Quiz Discussion

Product of two coprime numbers is 117, then their LCM is

Course Name: Quantitative Aptitude

  • 1]

    9

  • 2]

    13

  • 3]

    39

  • 4]

    117

Solution
No Solution Present Yet

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# Quiz
1
Discuss

The LCM and HCF of two numbers are 84 and 21, respectively. If the ratio of the two numbers is 1 : 4, then the larger of the two numbers is

  • 1]

    12

  • 2]

    48

  • 3]

    84

  • 4]

    108

Solution

Answer- 84

2
Discuss

Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:

  • 1]

    12, 24, 36

  • 2]

    11, 22, 33

  • 3]

    12, 24, 32

  • 4]

    5, 10, 15

Solution
3
Discuss

(461+462+463+464) is divisible by

  • 1]

    17

  • 2]

    3

  • 3]

    11

  • 4]

    13

Solution
4
Discuss

HCF of 3240, 3600 and a third number is 36 and their LCM is 24×35×52×72 Then the third number is

  • 1]

    22×35×72

  • 2]

    22×53×72

  • 3]

     

    22×52×72

  • 4]

    23×35×72

Solution
5
Discuss

The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100 then their difference is:

  • 1]

    10

  • 2]

    46

  • 3]

    70

  • 4]

    90

Solution
6
Discuss

The H.C.F. and L.C.M. of 0.63, 1.05 and 2.1

  • 1]

    0.20 and 6.31

  • 2]

    0.21 and 5.30

  • 3]

    0.21 and 6.30

  • 4]

    1.21 and 6.50

Solution
7
Discuss

Find the LCM of 2/3, 3/5, 4/7 and 9/13.

  • 1]

    36

  • 2]

    1/36

  • 3]

    1/1365

  • 4]

    12/455

Solution
8
Discuss

Four bells ring at intervals of 6, 8, 12 and 18 seconds respectively since 12 o’clock. How many times will they ring simultaneously within 6 minutes of the time? (excluding the one at the start)

  • 1]

    3

  • 2]

    4

  • 3]

    5

  • 4]

    6

Solution
9
Discuss

The product of two numbers is 2028 and their HCF is 13. The number of such pairs is :

  • 1]

    1

  • 2]

    2

  • 3]

    3

  • 4]

    4

Solution
10
Discuss

Find the greatest number that will divide 55, 127 and 175 so as to leaves the same remainder in each case

  • 1]

    1

  • 2]

    16

  • 3]

    24

  • 4]

    15

Solution
# Quiz