The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?
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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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For an A.P. if a25 - a20 = 45, then d equals to:
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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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Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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5
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In an A.P., if d = -4, n = 7, an = 4, then a is
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6
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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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7
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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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8
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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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9
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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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10
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The nth term of an A.P., the sum of whose n terms is Sn, is
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