Find the 15th term of the sequence 20, 15, 10 . . . . .
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1
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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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2
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What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?
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3
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If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
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4
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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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5
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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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6
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A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February?
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7
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The sum of first five multiples of 3 is:
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8
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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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9
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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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10
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The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}} \frac{{1 - 12b}}{{2b}}\) . . . . . is
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