Basic Maths and Reasoning MCQs (page 39 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 761–780.

  1. 761.

    What is the HCF of 17 and 36?

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    Answer: A. 1

    The highest number dividing both 17 and 36 exactly is 1.

  2. 762.

    What is the HCF of 8 and 33?

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    Answer: A. 1

    The highest number dividing both 8 and 33 exactly is 1.

  3. 763.

    What is the LCM of 5 and 34?

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    Answer: C. 170

    The lowest common multiple of 5 and 34 is 170. Check: LCM × HCF = 170 × 1 = 170 = 5 × 34.

  4. 764.

    What is the LCM of 14 and 46?

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    Answer: C. 322

    The lowest common multiple of 14 and 46 is 322. Check: LCM × HCF = 322 × 2 = 644 = 14 × 46.

  5. 765.

    What is the HCF of 25 and 28?

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    Answer: A. 1

    The highest number dividing both 25 and 28 exactly is 1.

  6. 766.

    What is the LCM of 36 and 58?

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    Answer: C. 1,044

    The lowest common multiple of 36 and 58 is 1044. Check: LCM × HCF = 1044 × 2 = 2088 = 36 × 58.

  7. 767.

    What is the LCM of 5 and 52?

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    Answer: B. 260

    The lowest common multiple of 5 and 52 is 260. Check: LCM × HCF = 260 × 1 = 260 = 5 × 52.

  8. 768.

    What is the HCF of 32 and 36?

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    Answer: C. 4

    The highest number dividing both 32 and 36 exactly is 4.

  9. 769.

    What is the HCF of 7 and 43?

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    Answer: A. 1

    The highest number dividing both 7 and 43 exactly is 1.

  10. 770.

    What is the HCF of 16 and 55?

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    Answer: A. 1

    The highest number dividing both 16 and 55 exactly is 1.

  11. 771.

    What is the HCF of 22 and 25?

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    Answer: A. 1

    The highest number dividing both 22 and 25 exactly is 1.

  12. 772.

    What is the HCF of 19 and 26?

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    Answer: A. 1

    The highest number dividing both 19 and 26 exactly is 1.

  13. 773.

    What is the HCF of 27 and 39?

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    Answer: B. 3

    The highest number dividing both 27 and 39 exactly is 3.

  14. 774.

    What is the LCM of 45 and 54?

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    Answer: C. 270

    The lowest common multiple of 45 and 54 is 270. Check: LCM × HCF = 270 × 9 = 2430 = 45 × 54.

  15. 775.

    What is the LCM of 10 and 32?

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    Answer: C. 160

    The lowest common multiple of 10 and 32 is 160. Check: LCM × HCF = 160 × 2 = 320 = 10 × 32.

  16. 776.

    What is the HCF of 36 and 51?

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    Answer: C. 3

    The highest number dividing both 36 and 51 exactly is 3.

  17. 777.

    What is the HCF of 37 and 50?

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    Answer: A. 1

    The highest number dividing both 37 and 50 exactly is 1.

  18. 778.

    What is the HCF of 43 and 47?

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    Answer: A. 1

    The highest number dividing both 43 and 47 exactly is 1.

  19. 779.

    What is the LCM of 44 and 46?

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    Answer: B. 1,012

    The lowest common multiple of 44 and 46 is 1012. Check: LCM × HCF = 1012 × 2 = 2024 = 44 × 46.

  20. 780.

    What is the LCM of 43 and 56?

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    Answer: B. 2,408

    The lowest common multiple of 43 and 56 is 2408. Check: LCM × HCF = 2408 × 1 = 2408 = 43 × 56.