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Number Patterns & Series

Find the missing number in sequences based on arithmetic, geometric, or mixed rules

Sample Practice Questions

  1. Find the sum of first 5 odd numbers: 1+3+5+7+9 = ?

    • 20
    • 23
    • 25
    • 27
    Show answer

    Answer: 25

  2. What is the sum of first 10 natural numbers?

    • 45
    • 50
    • 55
    • 100
    Show answer

    Answer: 55

  3. Find next: 1, 2, 4, 7, 11, 16, ?

    • 20
    • 21
    • 22
    • 24
    Show answer

    Answer: 22

  4. Find next: 2, 5, 10, 17, 26, ?

    • 35
    • 36
    • 37
    • 39
    Show answer

    Answer: 37

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Practice Questions

Practice 20 randomly selected NTSE questions on Number Patterns & Series. Answers are revealed after each question.

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Frequently Asked Questions

What does Number Patterns & Series cover in the NTSE exam?

Find the missing number in sequences based on arithmetic, geometric, or mixed rules.

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