The first and last term of an A.P. is a and l respectively. If S is the sum of all the terms of the A.P. and the common difference is given by \(\frac{{{l^2}  {a^2}}}{{k  \left( {l + a} \right)}}\) then k = ?
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If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164 ?
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The 2^{nd} and 8^{th} term of an arithmetic progression are 17 and 1 respectively. What is the 14^{th} term?
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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 sum of n terms of an A.P. is 3n^{2} + 5n and T^{m} = 164 then m =
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If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :
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If 18, a, b  3 are in A.P. then a + b =
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The nth term of an A.P., the sum of whose n terms is Sn, is
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The first term of an Arithmetic Progression is 22 and the last term is 11. If the sum is 66, the number of terms in the sequence are:
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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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What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?
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