Basic Maths and Reasoning MCQs (page 35 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 681–700.
- 681.
What is the HCF of 19 and 34?
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Answer: A. 1
The highest number dividing both 19 and 34 exactly is 1.
- 682.
What is the HCF of 42 and 45?
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Answer: B. 3
The highest number dividing both 42 and 45 exactly is 3.
- 683.
What is the LCM of 10 and 40?
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Answer: B. 40
The lowest common multiple of 10 and 40 is 40. Check: LCM × HCF = 40 × 10 = 400 = 10 × 40.
- 684.
What is the HCF of 27 and 56?
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Answer: A. 1
The highest number dividing both 27 and 56 exactly is 1.
- 685.
What is the LCM of 16 and 26?
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Answer: C. 208
The lowest common multiple of 16 and 26 is 208. Check: LCM × HCF = 208 × 2 = 416 = 16 × 26.
- 686.
What is the LCM of 30 and 52?
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Answer: B. 780
The lowest common multiple of 30 and 52 is 780. Check: LCM × HCF = 780 × 2 = 1560 = 30 × 52.
- 687.
What is the LCM of 51 and 59?
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Answer: B. 3,009
The lowest common multiple of 51 and 59 is 3009. Check: LCM × HCF = 3009 × 1 = 3009 = 51 × 59.
- 688.
What is the LCM of 31 and 35?
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Answer: C. 1,085
The lowest common multiple of 31 and 35 is 1085. Check: LCM × HCF = 1085 × 1 = 1085 = 31 × 35.
- 689.
What is the HCF of 22 and 32?
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Answer: B. 2
The highest number dividing both 22 and 32 exactly is 2.
- 690.
What is the HCF of 21 and 34?
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Answer: A. 1
The highest number dividing both 21 and 34 exactly is 1.
- 691.
What is the HCF of 5 and 16?
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Answer: A. 1
The highest number dividing both 5 and 16 exactly is 1.
- 692.
What is the HCF of 13 and 60?
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Answer: A. 1
The highest number dividing both 13 and 60 exactly is 1.
- 693.
What is the LCM of 49 and 59?
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Answer: B. 2,891
The lowest common multiple of 49 and 59 is 2891. Check: LCM × HCF = 2891 × 1 = 2891 = 49 × 59.
- 694.
What is the LCM of 12 and 40?
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Answer: B. 120
The lowest common multiple of 12 and 40 is 120. Check: LCM × HCF = 120 × 4 = 480 = 12 × 40.
- 695.
What is the HCF of 18 and 53?
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Answer: A. 1
The highest number dividing both 18 and 53 exactly is 1.
- 696.
What is the HCF of 21 and 52?
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Answer: A. 1
The highest number dividing both 21 and 52 exactly is 1.
- 697.
What is the LCM of 27 and 31?
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Answer: C. 837
The lowest common multiple of 27 and 31 is 837. Check: LCM × HCF = 837 × 1 = 837 = 27 × 31.
- 698.
What is the HCF of 10 and 24?
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Answer: B. 2
The highest number dividing both 10 and 24 exactly is 2.
- 699.
What is the LCM of 53 and 59?
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Answer: C. 3,127
The lowest common multiple of 53 and 59 is 3127. Check: LCM × HCF = 3127 × 1 = 3127 = 53 × 59.
- 700.
What is the LCM of 17 and 39?
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Answer: B. 663
The lowest common multiple of 17 and 39 is 663. Check: LCM × HCF = 663 × 1 = 663 = 17 × 39.