The 7th and 12th term of an arithmetic progression are 15 and 5 respectively. What is the 16th term?
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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 k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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Two A.P.’s have the same common difference. The first term of one of these is 8 and that of the other is 3. The difference between their 30th terms is
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If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are
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5
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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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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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Find the n^{th} term of the following sequence :
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Find the nth term of the following sequence :
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If the 7^{th} term of a H.P. is 1/10 and the 12^{th} term is 1/25, then the 20^{th} term is
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10
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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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