If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
2
3
2
3
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1
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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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2
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Find the n^{th} term of the following sequence :
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3
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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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4
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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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5
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If log 2, log (2^{x} 1) and log (2^{x} + 3) are in A.P, then x is equal to ___
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6
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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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7
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What is the sum of the first 12 terms of an arithmetic progression if the first term is 19 and last term is 36?
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8
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How many 2digit positive integers are divisible by 4 or 9?
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9
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What is the sum of the following series? 64, 66, 68, ......, 100
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10
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The 7th and 12th term of an arithmetic progression are 15 and 5 respectively. What is the 16th term?
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