Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?
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The sum of the first four terms of an A.P. is 56. The sum of the last four terms is 112. If its first term is 11, the number of terms is
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What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?
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4
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If the 7th term of a H.P. is 1/10 and the 12th term is 1/25, then the 20th term is
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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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6
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Find the nth term of the following sequence :
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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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The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term
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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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For A.P. T18 - T8 = ........ ?
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