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Sequences and Series (Class 11 — ~20% weight)
AP, GP, HP, arithmetic-geometric series, sum of special series.
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Take a full mock →Q1 · Sequences and Series (Class 11 — ~20% weight) · EASY
If the 5th term of a geometric progression is 48 and the 8th term is 384, what is the common ratio?
Q2 · Sequences and Series (Class 11 — ~20% weight) · HARD
Find the sum of the series 1 + 3(1/2) + 5(1/4) + 7(1/8) + ... up to infinity.
Q3 · Sequences and Series (Class 11 — ~20% weight) · EASY
The sum of the first 20 terms of an arithmetic progression is 520, and the first term is 7. The common difference is: