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:
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The sum of the first and third term of an arithmetic progression is 12 and the product of first and second term is 24, then first term is
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2
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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3
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How many terms are there in the GP 5, 20, 80, 320........... 20480?
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4
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If the 7th term of a H.P. is 1/10 and the 12th term is 1/25, then the 20th term is
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5
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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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6
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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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7
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For an A.P. if a25 - a20 = 45, then d equals to:
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8
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How many terms are there in 20, 25, 30 . . . . . . 140?
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9
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The nth term of an A.P., the sum of whose n terms is Sn, is
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10
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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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