The nth term of an A.P., the sum of whose n terms is Sn, is
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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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2
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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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3
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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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4
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If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?
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5
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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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6
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If the sum of the series 2 + 5 + 8 + 11 … is 60100, then the number of terms are
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7
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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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8
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If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be
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9
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In an A.P., if d = -4, n = 7, an = 4, then a is
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10
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15th term of A.P., x - 7, x - 2, x + 3, ........ is
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