ConceptArithmetic Progression

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#### Question

The 11^{th} term and the 21^{st} term of an A.P. are 16 and 29 respectively, then find:

(a) The first term and common difference

(b) The 34^{th} term

(c) ‘n’ such that t_{n} = 55

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Find the 60^{th} term of the A.P. 8, 10, 12, ……., if it has a total of 60 terms and hence find the sum of its last 10 terms.

If k, 2k- 1 and 2k + 1 are three consecutive terms of an A.P., the value of k is

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(B) 3

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Write the first five terms of the sequence defined by `a_n = (–1)^(n-1) . 2^n`

Solution for concept: Arithmetic Progression. For the course 9th - 10th SSC (English Medium)