The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
-19
-22
-20
-25
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1
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How many terms are there in 20, 25, 30 . . . . . . 140?
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2
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What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?
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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 number of terms of the A.P. 3, 7, 11, 15, ....... to be taken so that the sum is 406 is
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5
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The sum of the first four terms of an A.P. is 56. The sum of the last four terms is 112. If its first term is 11, the number of terms is
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6
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Let S denotes the sum of n terms of an A.P. whose first term is a. If the common difference d is given by d = Sn – k Sn-1 + Sn-2 then k =
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7
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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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8
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What is the sum of the following series? -64, -66, -68, ......, -100
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9
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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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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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