Quiz Discussion

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

Course Name: Quantitative Aptitude

  • 1]

    10

  • 2]

    46

  • 3]

    70

  • 4]

    90

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

Which of the following is a pair of co-primes?

  • 1]

    (14,35)

  • 2]

    (18,25)

  • 3]

    (31,93)

  • 4]

    (32,62)

Solution
3
Discuss

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively is

  • 1]

    271

  • 2]

    172

  • 3]

    721

  • 4]

    127

Solution
4
Discuss

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

  • 1]

    9

  • 2]

    13

  • 3]

    39

  • 4]

    117

Solution
5
Discuss

The sum of two numbers is 528 and their HCF is 33. The number of such pairs is :

  • 1]

    2

  • 2]

    3

  • 3]

    4

  • 4]

    5

Solution
6
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
7
Discuss

The L.C.M. of two numbers is 48. The numbers are in the ratio 2:3. Then sum of the number is:

  • 1]

    40

  • 2]

    50

  • 3]

    60

  • 4]

    35

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

Which of the following has the most number of divisors?

  • 1]

    99

  • 2]

    101

  • 3]

    176

  • 4]

    182

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