The 3^{rd} and 7^{th} term of an arithmetic progression are 9 and 11 respectively. What is the 15^{th} term?
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In an A.P., if d = 4, n = 7, a_{n} = 4, then a is
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In an A.P., if d = 4, n = 7, an = 4, then a is
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If an A.P. has a = 1, tn = 20 and sn = 399, then value of n is :
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The 3rd and 9th term of an arithmetic progression are 8 and 10 respectively. What is the 16th term?
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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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If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is
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If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164 ?
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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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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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If 18th and 11th term of an A.P. are in the ratio 3 : 2, then its 21st and 5th terms are in the ratio
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