Which term of the A.P. 92, 88, 84, 80, ...... is 0?
23
32
24
28
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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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2
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If an A.P. has a = 1, tn = 20 and sn = 399, then value of n is :
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3
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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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4
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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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5
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A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February?
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6
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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 = S_{n} – k S_{n1} + S_{n2} then k =
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7
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The two geometric means between the number 1 and 64 are
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8
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(1) + (1 + 1) + (1 + 1 + 1) + ....... + (1 + 1 + 1 + ...... n  1 times) = ......
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9
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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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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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