The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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1
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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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2
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What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
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3
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How many terms are there in the GP 5, 20, 80, 320........... 20480?
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4
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Find the nth term of the following sequence :
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5
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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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6
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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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7
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The first and last term of an A.P. is a and l respectively. If S is the sum of all the terms of the A.P. and the common difference is given by \(\frac{{{l^2} - {a^2}}}{{k - \left( {l + a} \right)}}\) then k = ?
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8
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A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February?
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9
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In an A.P., if d = -4, n = 7, an = 4, then a is
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10
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How many 2-digit positive integers are divisible by 4 or 9?
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