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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1
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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2
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If the sums of n terms of two arithmetic progressions are in the ratio \(\frac{{3n + 5}}{{5n + 7}}\) then their nth terms are in the ration
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3
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If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
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4
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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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5
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Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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6
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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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7
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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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8
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In an A.P., if d = -4, n = 7, an = 4, then a is
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9
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The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
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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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