Basic Maths and Reasoning MCQs (page 40 of 212)
Percentages, ratios, averages, profit and loss, speed and time, number series and simple logical reasoning, with the working shown for every answer.
4,221 questions. Select an option to check your answer, or open "Show answer". Showing 781–800.
- 781.
What is the HCF of 18 and 36?
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Answer: B. 18
The highest number dividing both 18 and 36 exactly is 18.
- 782.
What is the HCF of 15 and 58?
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Answer: A. 1
The highest number dividing both 15 and 58 exactly is 1.
- 783.
What is the LCM of 25 and 60?
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Answer: B. 300
The lowest common multiple of 25 and 60 is 300. Check: LCM × HCF = 300 × 5 = 1500 = 25 × 60.
- 784.
What is the HCF of 16 and 57?
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Answer: A. 1
The highest number dividing both 16 and 57 exactly is 1.
- 785.
What is the LCM of 26 and 58?
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Answer: C. 754
The lowest common multiple of 26 and 58 is 754. Check: LCM × HCF = 754 × 2 = 1508 = 26 × 58.
- 786.
What is the HCF of 27 and 32?
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Answer: A. 1
The highest number dividing both 27 and 32 exactly is 1.
- 787.
What is the HCF of 31 and 48?
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Answer: A. 1
The highest number dividing both 31 and 48 exactly is 1.
- 788.
What is the HCF of 8 and 28?
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Answer: B. 4
The highest number dividing both 8 and 28 exactly is 4.
- 789.
What is the HCF of 10 and 25?
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Answer: B. 5
The highest number dividing both 10 and 25 exactly is 5.
- 790.
What is the HCF of 19 and 28?
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Answer: A. 1
The highest number dividing both 19 and 28 exactly is 1.
- 791.
What is the LCM of 12 and 44?
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Answer: C. 132
The lowest common multiple of 12 and 44 is 132. Check: LCM × HCF = 132 × 4 = 528 = 12 × 44.
- 792.
What is the LCM of 28 and 40?
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Answer: C. 280
The lowest common multiple of 28 and 40 is 280. Check: LCM × HCF = 280 × 4 = 1120 = 28 × 40.
- 793.
What is the HCF of 22 and 54?
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Answer: B. 2
The highest number dividing both 22 and 54 exactly is 2.
- 794.
What is the HCF of 17 and 31?
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Answer: A. 1
The highest number dividing both 17 and 31 exactly is 1.
- 795.
What is the LCM of 45 and 56?
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Answer: B. 2,520
The lowest common multiple of 45 and 56 is 2520. Check: LCM × HCF = 2520 × 1 = 2520 = 45 × 56.
- 796.
What is the LCM of 6 and 12?
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Answer: B. 12
The lowest common multiple of 6 and 12 is 12. Check: LCM × HCF = 12 × 6 = 72 = 6 × 12.
- 797.
What is the LCM of 11 and 42?
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Answer: C. 462
The lowest common multiple of 11 and 42 is 462. Check: LCM × HCF = 462 × 1 = 462 = 11 × 42.
- 798.
What is the LCM of 41 and 43?
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Answer: B. 1,763
The lowest common multiple of 41 and 43 is 1763. Check: LCM × HCF = 1763 × 1 = 1763 = 41 × 43.
- 799.
What is the LCM of 58 and 59?
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Answer: B. 3,422
The lowest common multiple of 58 and 59 is 3422. Check: LCM × HCF = 3422 × 1 = 3422 = 58 × 59.
- 800.
What is the LCM of 51 and 53?
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Answer: C. 2,703
The lowest common multiple of 51 and 53 is 2703. Check: LCM × HCF = 2703 × 1 = 2703 = 51 × 53.