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:
9
10
11
12
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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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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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The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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4
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The sum of first five multiples of 3 is:
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5
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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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6
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Consider an infinite G.P. with first term a and common ratio r, its sum is 4 and the second term is 3/4, then
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7
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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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8
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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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9
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The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
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10
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If log 2, log (2x -1) and log (2x + 3) are in A.P, then x is equal to ___
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