How many terms are there in the GP 5, 20, 80, 320........... 20480?
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1
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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2
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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3
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If a, b, c are in A.P., then (a – c)2/ (b2 – ac) =
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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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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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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 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
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8
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A piece of equipment cost a certain factory 6,00,000. If it depreciates in value, 15% the first year, 13.5% the next year, 12% the third year, and so on, what will be its value at the end of 10 years, all percentages applying to the original cost?
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9
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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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10
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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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