If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
-2
-3
2
3
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1
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For A.P. T18 - T8 = ........ ?
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2
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If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be
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3
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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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4
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The nth term of an A.P., the sum of whose n terms is Sn, is
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5
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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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6
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If the sum of the series 2 + 5 + 8 + 11 … is 60100, then the number of terms are
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7
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What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is -1 and the 8th term is 19?
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8
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The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?
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9
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The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term
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10
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How many terms are there in the GP 5, 20, 80, 320........... 20480?
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