🧮 Mathematics

    Arithmetic Progression Questions

    Practise arithmetic progression for Class 9-10 with timed rounds, instant feedback and difficulty that adapts as you play.

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    Class levels covered

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    Fresh questions each round

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    Mathematics

    What is arithmetic progression?

    An arithmetic progression is a sequence where each term differs from the previous one by a fixed common difference.

    Why it matters

    AP questions appear in every Class 10 board paper and in aptitude tests, and they train pattern-spotting.

    Key concepts you will practise

    • nth term: a + (n − 1)d
    • Sum of n terms: n/2 × [2a + (n − 1)d]
    • Finding a and d from two given terms
    • Word problems on instalments, seating and savings

    Tips that save marks

    • Write down a, d and n before touching a formula.
    • For "sum of first n natural numbers" style questions, use n(n + 1)/2 directly.

    Question bank by class level

    • Class 9-10 · SecondaryGenerated each round

    Start practising Arithmetic Progression

    Frequently asked questions

    How do I know a sequence is an AP?

    Subtract each term from the next — if that difference is the same everywhere, it is an AP.

    Can the common difference be negative?

    Yes. A negative common difference simply means the sequence decreases.

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