Quiz Discussion

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

Course Name: Quantitative Aptitude

  • 1]

    (14,35)

  • 2]

    (18,25)

  • 3]

    (31,93)

  • 4]

    (32,62)

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

 What is the greatest number which when subtracted from 3000, is exactly divisible by 7, 11 and 13 ?

  • 1]

    1999

  • 2]

    3000

  • 3]

    10001

  • 4]

    3050

Solution
3
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
4
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
5
Discuss

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

  • 1]

    77

  • 2]

    88

  • 3]

    99

  • 4]

    110

Solution
6
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
7
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
8
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
9
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
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