If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164 ?
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For an A.P. if a25  a20 = 45, then d equals to:
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The 2^{nd} and 6^{th} term of an arithmetic progression are 8 and 20 respectively. What is the 20^{th} term?
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After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.
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The 4th and 7th term of an arithmetic progression are 11 and 4 respectively. What is the 15th term?
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If a, b, c are in A.P., then (a – c)^{2}/ (b^{2} – ac) =
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The common difference of the A.P. \(\frac{1}{3}, \frac{{1  3b}}{3} , \frac{{1  6b}}{3}\) . . . . . . is
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The sum of first five multiples of 3 is:
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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 7th and 21st terms of an AP are 6 and 22 respectively. Find the 26th term
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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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