For A.P. T18  T8 = ........ ?
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For an A.P. if a25  a20 = 45, then d equals to:
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If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is
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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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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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5
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If the nth term of an A.P. is 2n + 1, then the sum of first n terms of the A.P. is
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6
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If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then \(\frac{{{S_1}}}{{{S_2}}}\)
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7
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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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8
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In an A.P., if d = 4, n = 7, a_{n} = 4, then a is
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9
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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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10
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What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
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