Basic Maths and Reasoning MCQs (page 37 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 721–740.

  1. 721.

    What is the HCF of 19 and 29?

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    Answer: A. 1

    The highest number dividing both 19 and 29 exactly is 1.

  2. 722.

    What is the LCM of 55 and 58?

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    Answer: C. 3,190

    The lowest common multiple of 55 and 58 is 3190. Check: LCM × HCF = 3190 × 1 = 3190 = 55 × 58.

  3. 723.

    What is the LCM of 34 and 57?

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    Answer: C. 1,938

    The lowest common multiple of 34 and 57 is 1938. Check: LCM × HCF = 1938 × 1 = 1938 = 34 × 57.

  4. 724.

    What is the LCM of 36 and 54?

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    Answer: C. 108

    The lowest common multiple of 36 and 54 is 108. Check: LCM × HCF = 108 × 18 = 1944 = 36 × 54.

  5. 725.

    What is the LCM of 56 and 57?

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    Answer: B. 3,192

    The lowest common multiple of 56 and 57 is 3192. Check: LCM × HCF = 3192 × 1 = 3192 = 56 × 57.

  6. 726.

    What is the LCM of 37 and 53?

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    Answer: C. 1,961

    The lowest common multiple of 37 and 53 is 1961. Check: LCM × HCF = 1961 × 1 = 1961 = 37 × 53.

  7. 727.

    What is the HCF of 24 and 46?

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    Answer: B. 2

    The highest number dividing both 24 and 46 exactly is 2.

  8. 728.

    What is the HCF of 4 and 22?

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    Answer: B. 2

    The highest number dividing both 4 and 22 exactly is 2.

  9. 729.

    What is the HCF of 13 and 55?

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    Answer: A. 1

    The highest number dividing both 13 and 55 exactly is 1.

  10. 730.

    What is the HCF of 15 and 52?

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    Answer: A. 1

    The highest number dividing both 15 and 52 exactly is 1.

  11. 731.

    What is the HCF of 40 and 51?

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    Answer: A. 1

    The highest number dividing both 40 and 51 exactly is 1.

  12. 732.

    What is the HCF of 16 and 51?

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    Answer: A. 1

    The highest number dividing both 16 and 51 exactly is 1.

  13. 733.

    What is the HCF of 7 and 48?

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    Answer: A. 1

    The highest number dividing both 7 and 48 exactly is 1.

  14. 734.

    What is the HCF of 14 and 32?

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    Answer: B. 2

    The highest number dividing both 14 and 32 exactly is 2.

  15. 735.

    What is the LCM of 35 and 55?

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    Answer: B. 385

    The lowest common multiple of 35 and 55 is 385. Check: LCM × HCF = 385 × 5 = 1925 = 35 × 55.

  16. 736.

    What is the HCF of 16 and 60?

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    Answer: C. 4

    The highest number dividing both 16 and 60 exactly is 4.

  17. 737.

    What is the LCM of 53 and 54?

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    Answer: C. 2,862

    The lowest common multiple of 53 and 54 is 2862. Check: LCM × HCF = 2862 × 1 = 2862 = 53 × 54.

  18. 738.

    What is the HCF of 45 and 50?

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    Answer: B. 5

    The highest number dividing both 45 and 50 exactly is 5.

  19. 739.

    What is the HCF of 37 and 46?

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    Answer: A. 1

    The highest number dividing both 37 and 46 exactly is 1.

  20. 740.

    What is the HCF of 28 and 43?

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    Answer: A. 1

    The highest number dividing both 28 and 43 exactly is 1.