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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Find the nth term of the following sequence :
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If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :
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For A.P. T18  T8 = ........ ?
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If the sum of the series 2 + 5 + 8 + 11 … is 60100, then the number of terms are
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The sum of first n odd natural numbers in
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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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Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.
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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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15th term of A.P., x  7, x  2, x + 3, ........ is
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Sum of n terms of the series \(\sqrt 2 + \sqrt 8 + \sqrt {18} + \sqrt {32} + \) ....... is
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