General Aptitude: HCF and LCM
| Question | Correct Answer |
|---|---|
| What is the H.C.F. of 54 and 90? | B. 18 |
| Find the L.C.M of 20 and 25. | B. 100 |
| Which of the following is the H.C.F. of 40 and 60? | B. 20 |
| What is the least number that is divisible by both 21 and 28? | A. 84 |
| Find the H.C.F. of 56 and 98. | A. 14 |
| Calculate the L.C.M of 16 and 20. | A. 80 |
| What is the H.C.F. of 110 and 165? | C. 55 |
| Find the least number that is a multiple of both 8 and 12. | B. 48 |
| The H.C.F. of 63 and 77 is? | A. 7 |
| What is the L.C.M of 15, 20, and 25? | B. 150 |
| H.C.F. of 65 and 130 is? | B. 5 |
| Find the L.C.M of 9 and 10. | A. 90 |
| What is the H.C.F. of 75 and 100? | A. 25 |
| The least number which is divisible by both 10 and 20 is? | A. 20 |
| Find the L.C.M of 17 and 23. | A. 391 |
| The H.C.F. of 147 and 189 is? | A. 21 |
| What is the least number divisible by both 14 and 21? | A. 42 |
| Calculate the H.C.F of 88 and 132. | B. 44 |
| Find the L.C.M of 18 and 27. | B. 108 |
| What is the H.C.F. of 39 and 65? | D. 5 |
Choose the correct answer
Question 1: What is the H.C.F. of 54 and 90?
Option 1: 9
Option 2: 18
Option 3: 36
Option 4: 27
Correct Answer: B. 18
Question 2: Find the L.C.M of 20 and 25.
Option 1: 50
Option 2: 100
Option 3: 125
Option 4: 75
Correct Answer: B. 100
Question 3: Which of the following is the H.C.F. of 40 and 60?
Option 1: 10
Option 2: 20
Option 3: 30
Option 4: 40
Correct Answer: B. 20
Question 4: What is the least number that is divisible by both 21 and 28?
Option 1: 84
Option 2: 42
Option 3: 126
Option 4: 168
Correct Answer: A. 84
Question 5: Find the H.C.F. of 56 and 98.
Option 1: 14
Option 2: 28
Option 3: 42
Option 4: 7
Correct Answer: A. 14
Question 6: Calculate the L.C.M of 16 and 20.
Option 1: 80
Option 2: 40
Option 3: 160
Option 4: 320
Correct Answer: A. 80
Question 7: What is the H.C.F. of 110 and 165?
Option 1: 5
Option 2: 11
Option 3: 55
Option 4: 33
Correct Answer: C. 55
Question 8: Find the least number that is a multiple of both 8 and 12.
Option 1: 24
Option 2: 48
Option 3: 96
Option 4: 72
Correct Answer: B. 48
Question 9: The H.C.F. of 63 and 77 is?
Option 1: 7
Option 2: 14
Option 3: 21
Option 4: 28
Correct Answer: A. 7
Question 10: What is the L.C.M of 15, 20, and 25?
Option 1: 300
Option 2: 150
Option 3: 600
Option 4: 450
Correct Answer: B. 150
Question 11: H.C.F. of 65 and 130 is?
Option 1: 65
Option 2: 5
Option 3: 13
Option 4: 26
Correct Answer: B. 5
Question 12: Find the L.C.M of 9 and 10.
Option 1: 90
Option 2: 45
Option 3: 180
Option 4: 30
Correct Answer: A. 90
Question 13: What is the H.C.F. of 75 and 100?
Option 1: 25
Option 2: 50
Option 3: 5
Option 4: 10
Correct Answer: A. 25
Question 14: The least number which is divisible by both 10 and 20 is?
Option 1: 20
Option 2: 40
Option 3: 60
Option 4: 80
Correct Answer: A. 20
Question 15: Find the L.C.M of 17 and 23.
Option 1: 391
Option 2: 782
Option 3: 204
Option 4: 289
Correct Answer: A. 391
Question 16: The H.C.F. of 147 and 189 is?
Option 1: 21
Option 2: 42
Option 3: 63
Option 4: 14
Correct Answer: A. 21
Question 17: What is the least number divisible by both 14 and 21?
Option 1: 42
Option 2: 84
Option 3: 126
Option 4: 168
Correct Answer: A. 42
Question 18: Calculate the H.C.F of 88 and 132.
Option 1: 22
Option 2: 44
Option 3: 66
Option 4: 11
Correct Answer: B. 44
Question 19: Find the L.C.M of 18 and 27.
Option 1: 54
Option 2: 108
Option 3: 81
Option 4: 162
Correct Answer: B. 108
Question 20: What is the H.C.F. of 39 and 65?
Option 1: 13
Option 2: 26
Option 3: 39
Option 4: 5
Correct Answer: D. 5
CGPSC 2024 Practice Question, छत्तीसगढ़ राज्य सेवा परीक्षा: अभ्यास प्रश्नों के PDF
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