LCM and HCF MCQs with Answers

LCM and HCF MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important LCM and HCF MCQs for Preparation.

The student can clear their concepts for LCM and HCF online quiz by attempting it. Doing MCQs based LCM and HCF will help you to check your understanding and identify areas of improvement.

What is the LCM of 12 and 18?
a) 6
b) 24
c) 36
d) 72

Answer
Answer: c) 36

What is the HCF of 24 and 36?
a) 2
b) 4
c) 6
d) 12

Answer
Answer: c) 6

What is the LCM of 15 and 20?
a) 30
b) 60
c) 75
d) 100

Answer
Answer: b) 60

What is the HCF of 36 and 48?
a) 4
b) 6
c) 12
d) 18

Answer
Answer: c) 12

What is the LCM of 8 and 10?
a) 4
b) 10
c) 16
d) 40

Answer
Answer: d) 40

What is the HCF of 42 and 56?
a) 4
b) 6
c) 8
d) 14

Answer
Answer: c) 8

Find the LCM of 5, 8, and 10.
a) 20
b) 30
c) 40
d) 50

Answer
Answer: b) 30

Find the HCF of 24, 36, and 48.
a) 6
b) 8
c) 12
d) 24

Answer
Answer: a) 6

What is the LCM of 9, 12, and 15?
a) 36
b) 45
c) 60
d) 90

Answer
Answer: c) 60

What is the HCF of 16, 24, and 32?
a) 2
b) 4
c) 8
d) 16

Answer
Answer: b) 4

Find the LCM of 7, 14, and 21.
a) 14
b) 21
c) 42
d) 49

Answer
Answer: c) 42

Find the HCF of 18, 27, and 36.
a) 3
b) 6
c) 9
d) 18

Answer
Answer: a) 3

Determine the LCM of 4, 5, and 6.
a) 12
b) 18
c) 20
d) 24

Answer
Answer: d) 24

Determine the HCF of 42, 56, and 70.
a) 7
b) 14
c) 21
d) 28

Answer
Answer: a) 7

Find the LCM of 9, 15, and 20.
a) 45
b) 60
c) 90
d) 180

Answer
Answer: b) 60

Find the HCF of 54, 72, and 90.
a) 6
b) 9
c) 18
d) 27

Answer
Answer: a) 6

Find the LCM of 3, 5, and 7.
a) 15
b) 21
c) 35
d) 105

Answer
Answer: d) 105

Find the HCF of 42, 63, and 84.
a) 7
b) 14
c) 21
d) 42

Answer
Answer: a) 7

Determine the LCM of 8, 12, and 18.
a) 36
b) 48
c) 72
d) 144

Answer
Answer: c) 72

Determine the HCF of 24, 32, and 40.
a) 4
b) 8
c) 16
d) 24

Answer
Answer: b) 8

Find the LCM of 6, 8, and 12.
a) 12
b) 16
c) 24
d) 48

Answer
Answer: c) 24

Find the HCF of 36, 48, and 60.
a) 6
b) 12
c) 18
d) 36

Answer
Answer: b) 12

Determine the LCM of 9, 12, and 15.
a) 36
b) 45
c) 60
d) 90

Answer
Answer: c) 60

Determine the HCF of 42, 56, and 70.
a) 7
b) 14
c) 21
d) 28

Answer
Answer: a) 7

Find the LCM of 10, 12, and 15.
a) 30
b) 60
c) 120
d) 180

Answer
Answer: b) 60

Find the HCF of 54, 72, and 90.
a) 6
b) 9
c) 18
d) 27

Answer
Answer: a) 6

Find the LCM of 2, 3, and 4.
a) 4
b) 6
c) 8
d) 12

Answer
Answer: d) 12

Find the HCF of 16, 24, and 32.
a) 2
b) 4
c) 8
d) 16

Answer
Answer: b) 4

Determine the LCM of 7, 8, and 9.
a) 56
b) 63
c) 72
d) 81

Answer
Answer: c) 72

Determine the HCF of 20, 30, and 40.
a) 2
b) 4
c) 10
d) 20

Answer
Answer: c) 10

Find the LCM of 5, 6, and 7.
a) 15
b) 30
c) 35
d) 42

Answer
Answer: d) 42

Find the HCF of 42, 63, and 84.
a) 7
b) 14
c) 21
d) 42

Answer
Answer: a) 7

Determine the LCM of 8, 10, and 12.
a) 24
b) 40
c) 60
d) 80

Answer
Answer: c) 60

Determine the HCF of 36, 48, and 60.
a) 6
b) 12
c) 18
d) 24

Answer
Answer: b) 12

Find the LCM of 3, 4, and 5.
a) 12
b) 15
c) 20
d) 30

Answer
Answer: d) 30

Find the HCF of 9, 12, and 15.
a) 3
b) 6
c) 9
d) 12

Answer
Answer: a) 3

Find the LCM of 6, 9, and 12.
a) 18
b) 24
c) 36
d) 48

Answer
Answer: b) 24

Find the HCF of 20, 25, and 30.
a) 5
b) 10
c) 15
d) 20

Answer
Answer: a) 5

Determine the LCM of 15, 20, and 25.
a) 75
b) 100
c) 125
d) 150

Answer
Answer: b) 100

Determine the HCF of 35, 45, and 55.
a) 5
b) 10
c) 15
d) 20

Answer
Answer: a) 5

Find the LCM of 7, 14, and 21.
a) 14
b) 21
c) 42
d) 49

Answer
Answer: c) 42

Find the HCF of 28, 35, and 42.
a) 7
b) 14
c) 21
d) 28

Answer
Answer: a) 7

Determine the LCM of 9, 12, and 18.
a) 36
b) 54
c) 72
d) 108

Answer
Answer: c) 72

Determine the HCF of 24, 36, and 48.
a) 6
b) 12
c) 18
d) 24

Answer
Answer: a) 6

Find the LCM of 4, 5, and 6.
a) 12
b) 20
c) 24
d) 30

Answer
Answer: c) 24

Find the HCF of 42, 56, and 70.
a) 7
b) 14
c) 21
d) 28

Answer
Answer: a) 7

Find the LCM of 8, 10, and 12.
a) 16
b) 24
c) 30
d) 48

Answer
Answer: b) 24

Find the HCF of 18, 24, and 30.
a) 2
b) 3
c) 6
d) 12

Answer
Answer: b) 3

Determine the LCM of 14, 21, and 28.
a) 42
b) 56
c) 84
d) 98

Answer
Answer: c) 84

Determine the HCF of 36, 48, and 60.
a) 6
b) 12
c) 18
d) 24

Answer
Answer: b) 12

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