If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164 ?
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What is the sum of the first 17 terms of an arithmetic progression if the first term is 20 and last term is 28?
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The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
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If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is
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Consider an infinite G.P. with first term a and common ratio r, its sum is 4 and the second term is 3/4, then
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The nth term of an A.P., the sum of whose n terms is Sn, is
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15th term of A.P., x  7, x  2, x + 3, ........ is
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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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The 2nd and 8th term of an arithmetic progression are 17 and 1 respectively. What is the 14th term?
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The 3^{rd} and 7^{th} term of an arithmetic progression are 9 and 11 respectively. What is the 15^{th} term?
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