The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.
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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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3
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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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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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5
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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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6
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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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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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8
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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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9
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What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?
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10
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The nth term of an A.P., the sum of whose n terms is Sn, is
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