Basic Maths and Reasoning MCQs (page 206 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 4101–4120.

  1. 4101.

    What is 496 ÷ 16?

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    Answer: C. 31

    16 × 31 = 496, so 496 ÷ 16 = 31.

  2. 4102.

    Which number is the odd one out: 47, 53, 71, 95?

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    Answer: D. 95

    95 is not a prime number (95 = 5 × 19); the others are prime.

  3. 4103.

    Which number is the odd one out: 5, 65, 67, 71?

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    Answer: B. 65

    65 is not a prime number (65 = 5 × 13); the others are prime.

  4. 4104.

    Which number is the odd one out: 3, 29, 79, 99?

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    Answer: D. 99

    99 is not a prime number (99 = 3 × 33); the others are prime.

  5. 4105.

    Which number is the odd one out: 3, 21, 29, 79?

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    Answer: B. 21

    21 is not a prime number (21 = 3 × 7); the others are prime.

  6. 4106.

    Which number is the odd one out: 41, 43, 61, 77?

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    Answer: D. 77

    77 is not a prime number (77 = 7 × 11); the others are prime.

  7. 4107.

    Which number is the odd one out: 7, 37, 47, 77?

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    Answer: D. 77

    77 is not a prime number (77 = 7 × 11); the others are prime.

  8. 4108.

    Which number is the odd one out: 11, 43, 71, 81?

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    Answer: D. 81

    81 is not a prime number (81 = 3 × 27); the others are prime.

  9. 4109.

    Which number is the odd one out: 19, 27, 31, 67?

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    Answer: B. 27

    27 is not a prime number (27 = 3 × 9); the others are prime.

  10. 4110.

    Which number is the odd one out: 13, 71, 73, 85?

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    Answer: D. 85

    85 is not a prime number (85 = 5 × 17); the others are prime.

  11. 4111.

    Which number is the odd one out: 13, 47, 71, 95?

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    Answer: D. 95

    95 is not a prime number (95 = 5 × 19); the others are prime.

  12. 4112.

    Which number is the odd one out: 5, 11, 29, 87?

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    Answer: D. 87

    87 is not a prime number (87 = 3 × 29); the others are prime.

  13. 4113.

    Which number is the odd one out: 7, 11, 15, 73?

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    Answer: C. 15

    15 is not a prime number (15 = 3 × 5); the others are prime.

  14. 4114.

    Which number is the odd one out: 7, 27, 59, 79?

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    Answer: B. 27

    27 is not a prime number (27 = 3 × 9); the others are prime.

  15. 4115.

    Which number is the odd one out: 53, 61, 81, 83?

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    Answer: C. 81

    81 is not a prime number (81 = 3 × 27); the others are prime.

  16. 4116.

    Which number is the odd one out: 11, 43, 73, 81?

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    Answer: D. 81

    81 is not a prime number (81 = 3 × 27); the others are prime.

  17. 4117.

    Which number is the odd one out: 9, 13, 59, 83?

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    Answer: A. 9

    9 is not a prime number (9 = 3 × 3); the others are prime.

  18. 4118.

    Which number is the odd one out: 23, 47, 53, 99?

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    Answer: D. 99

    99 is not a prime number (99 = 3 × 33); the others are prime.

  19. 4119.

    Which number is the odd one out: 25, 71, 73, 97?

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    Answer: A. 25

    25 is not a prime number (25 = 5 × 5); the others are prime.

  20. 4120.

    Which number is the odd one out: 2, 23, 27, 83?

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    Answer: C. 27

    27 is not a prime number (27 = 3 × 9); the others are prime.