If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of (p + q) terms will be
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The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
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Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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3
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If 18, a, b - 3 are in A.P. then a + b =
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4
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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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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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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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What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
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8
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What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?
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9
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For an A.P. if a25 - a20 = 45, then d equals to:
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10
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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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