If the 7^{th} term of a H.P. is 1/10 and the 12^{th} term is 1/25, then the 20^{th} term is
1/41
1/45
1/49
1/37
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1
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In an A.P., if d = 4, n = 7, a_{n} = 4, then a is
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2
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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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3
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If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is
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4
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For A.P. T18  T8 = ........ ?
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5
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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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6
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If 18th and 11th term of an A.P. are in the ratio 3 : 2, then its 21st and 5th terms are in the ratio
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7
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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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8
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If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are
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9
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The sum of the first and third term of an arithmetic progression is 12 and the product of first and second term is 24, then first term is
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10
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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