HCF and LCM Test 1

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Online Aptitude Tests: HCF and LCM Test 1 for different Competitive Exams, Entrance Tests & Job Interviews. Test yourself. Take various online tests and find out how well you score before appearing in your upcoming interviews and written tests.

Instructions

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Total questions: 20

Time limit: 30 minutes

Each question is worth 1 point, and there are no penalties for wrong answers.

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Time remaining: 30:00
1. What is the highest common factor of 36 and 48?
  1. 9
  2. 12
  3. 6
  4. 18
2. What is the least common multiple of 8 and 12?
  1. 16
  2. 24
  3. 32
  4. 20
3. Find the HCF of 54 and 72.
  1. 9
  2. 18
  3. 27
  4. 36
4. Calculate the LCM of 15 and 25.
  1. 50
  2. 75
  3. 125
  4. 75
5. Determine the HCF of 42 and 56.
  1. 7
  2. 8
  3. 14
  4. 14
6. Which of the following is the HCF of 64 and 96?
  1. 12
  2. 16
  3. 24
  4. 32
7. What is the LCM of 18 and 24?
  1. 48
  2. 54
  3. 72
  4. 84
8. Find the HCF of 60 and 90.
  1. 30
  2. 40
  3. 20
  4. 50
9. Calculate the LCM of 16 and 24.
  1. 48
  2. 48
  3. 64
  4. 36
10. Determine the HCF of 72 and 96.
  1. 12
  2. 18
  3. 24
  4. 24
11. What is the greatest number which divides 24, 36, and 48 leaving remainders 3, 5, and 7 respectively?
  1. 11
  2. 13
  3. 15
  4. 17
12. Find the LCM of 30, 45, and 60.
  1. 120
  2. 180
  3. 180
  4. 210
13. Determine the HCF of 81 and 108.
  1. 9
  2. 12
  3. 27
  4. 18
14. Calculate the LCM of 20, 36, and 48.
  1. 360
  2. 360
  3. 420
  4. 480
15. What is the highest common factor of 64 and 81?
  1. 16
  2. 1
  3. 9
  4. 8
16. Find the least number which when divided by 8, 12, and 16 leaves a remainder of 4 in each case.
  1. 92
  2. 100
  3. 124
  4. 112
17. Determine the HCF of 72, 90, and 108.
  1. 18
  2. 24
  3. 18
  4. 36
18. What is the LCM of 35 and 49?
  1. 147
  2. 245
  3. 196
  4. 168
19. Calculate the HCF of 144 and 288.
  1. 72
  2. 144
  3. 36
  4. 108
20. Find the LCM of 27 and 45.
  1. 90
  2. 135
  3. 150
  4. 120
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