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Sequence And Series Questions
11 Practice QuestionsStart Practicing Now
- [Easy]The harmonic mean of 2 and 8 is...
- [Easy]The sum of the first n terms of a GP is S = a(rⁿ - 1)/(r - 1) when...
- [Easy]The sum 1² + 2² + 3² + ... + n² equals...
- [Medium]The sum 1³ + 2³ + 3³ + ... + n³ equals...
- [Easy]The sum 1 + 2 + 3 + ... + n equals...
- [Easy]The sum of the first 20 terms of an AP with first term 5 and common difference 3 is...
- [Easy]The arithmetic mean of 5 and 15 is...
- [Easy]The 10th term of the AP 3, 7, 11, 15, ... is...
- [Medium]If the 3rd term of an AP is 7 and the 7th term is 23, then the 10th term is...
- [Easy]The geometric mean of 4 and 9 is...
- [Medium]The sum of the infinite GP 1/2, 1/4, 1/8, ... is...