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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What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
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If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :
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3
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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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4
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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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5
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Let S denotes the sum of n terms of an A.P. whose first term is a. If the common difference d is given by d = Sn – k Sn-1 + Sn-2 then k =
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6
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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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7
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If the nth term of an A.P. is 2n + 1, then the sum of first n terms of the A.P. is
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8
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The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term
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9
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If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
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10
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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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