The 4th and 7th term of an arithmetic progression are 11 and 4 respectively. What is the 15th term?
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1
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The 7th and 12th term of an arithmetic progression are 15 and 5 respectively. What is the 16th term?
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2
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The sum of first five multiples of 3 is:
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3
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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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4
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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5
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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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6
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The sum of first five multiples of 3 is:
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7
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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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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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If a, b, c are in A.P., then (a – c)^{2}/ (b^{2} – ac) =
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10
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How many terms are there in the GP 5, 20, 80, 320........... 20480?
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