How many terms are there in 20, 25, 30 . . . . . . 140?
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1
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If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
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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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The first term of an Arithmetic Progression is 22 and the last term is 11. If the sum is 66, the number of terms in the sequence are:
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4
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The number of terms of the A.P. 3, 7, 11, 15, ....... to be taken so that the sum is 406 is
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5
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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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6
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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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7
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The sum of first n odd natural numbers in
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8
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The first term of an Arithmetic Progression is 22 and the last term is 11. If the sum is 66, the number of terms in the sequence are:
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9
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If a + 1, 2a + 1, 4a  1 are in A.P., then the value of a is:
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10
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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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