The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
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For an A.P. if a25 - a20 = 45, then d equals to:
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2
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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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3
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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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4
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What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?
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5
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If a, b, c are in A.P., then (a – c)2/ (b2 – ac) =
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6
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If sum of n terms of an A.P. is 3n2 + 5n and Tm = 164 then m =
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7
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Find the nth term of the following sequence :
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8
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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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9
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For A.P. T18 - T8 = ........ ?
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10
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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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