If sum of n terms of an A.P. is 3n2 + 5n and Tm = 164 then m =
26
27
28
None Of This
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15th term of A.P., x - 7, x - 2, x + 3, ........ is
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The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
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3
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What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
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4
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The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}} \frac{{1 - 12b}}{{2b}}\) . . . . . is
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5
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For A.P. T18 - T8 = ........ ?
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6
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Find the nth term of the following sequence :
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7
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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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8
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How many terms are there in 20, 25, 30 . . . . . . 140?
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9
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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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10
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The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
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