If log 2, log (2x -1) and log (2x + 3) are in A.P, then x is equal to ___
5/2
log25
log32
3/2
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1
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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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2
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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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3
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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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4
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The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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5
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Find the nth term of the following sequence :
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6
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If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then \(\frac{{{S_1}}}{{{S_2}}}\)
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7
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In an A.P., if d = -4, n = 7, an = 4, then a is
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8
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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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9
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The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
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10
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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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