If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
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The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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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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The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
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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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What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is -1 and the 8th term is 19?
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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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If 18, a, b - 3 are in A.P. then a + b =
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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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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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