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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The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}} \frac{{1 - 12b}}{{2b}}\) . . . . . is
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2
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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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3
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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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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 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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6
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(1) + (1 + 1) + (1 + 1 + 1) + ....... + (1 + 1 + 1 + ...... n - 1 times) = ......
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7
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In an A.P., if d = -4, n = 7, an = 4, then a is
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8
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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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9
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If 18, a, b - 3 are in A.P. then a + b =
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10
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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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