The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
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If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of (p + q) terms will be
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If an A.P. has a = 1, tn = 20 and sn = 399, then value of n is :
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3
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The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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4
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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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5
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The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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6
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If log 2, log (2x -1) and log (2x + 3) are in A.P, then x is equal to ___
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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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The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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9
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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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10
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A square is drawn by joining the mid points of the sides of a given square in the same way and this process continues indefinitely. If a side of the first square is 4 cm, determine the sum of the areas all the square.
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