If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a 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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15th term of A.P., x - 7, x - 2, x + 3, ........ 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 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is
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If sum of n terms of an A.P. is 3n2 + 5n and Tm = 164 then m =
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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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Find the nth term of the following sequence :
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The sum of first n odd natural numbers in
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If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
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