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
\(\frac{{3n  1}}{{5n  1}}\)
\(\frac{{3n + 1}}{{5n + 1}}\)
\(\frac{{5n + 1}}{{3n + 1}}\)
\(\frac{{5n  1}}{{3n  1}}\)
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1
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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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2
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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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3
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The common difference of the A.P. \(\frac{1}{3}, \frac{{1  3b}}{3} , \frac{{1  6b}}{3}\) . . . . . . is
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4
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The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is
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5
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If log 2, log (2^{x} 1) and log (2^{x} + 3) are in A.P, then x is equal to ___
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6
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If 18th and 11th term of an A.P. are in the ratio 3 : 2, then its 21st and 5th terms are in the ratio
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7
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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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8
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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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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