The sum of the first and third term of an arithmetic progression is 12 and the product of first and second term is 24, then 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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In an A.P., if d = -4, n = 7, an = 4, then a 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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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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Find the 15th term of the sequence 20, 15, 10 . . . . .
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Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.
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The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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If Sn denote the sum of the first n terms of an A.P. If S2n = 3Sn , then S3n : Sn is equal to
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10
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If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then \(\frac{{{S_1}}}{{{S_2}}}\)
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