The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
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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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2
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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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3
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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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4
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Sum of n terms of the series \(\sqrt 2 + \sqrt 8 + \sqrt {18} + \sqrt {32} + \) ....... 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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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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7
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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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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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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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10
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The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
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