For A.P. T18 - T8 = ........ ?
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1
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If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?
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2
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What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
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3
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For an A.P. if a25 - a20 = 45, then d equals to:
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4
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What is the sum of the following series? -64, -66, -68, ......, -100
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5
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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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6
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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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7
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The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?
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8
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In an A.P., if d = -4, n = 7, an = 4, then a is
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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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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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