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 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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2
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The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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3
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The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term
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4
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If the nth term of an A.P. is 2n + 1, then the sum of first n terms of the A.P. is
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5
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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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6
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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7
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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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8
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Sum of n terms of the series \(\sqrt 2 + \sqrt 8 + \sqrt {18} + \sqrt {32} + \) ....... is
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9
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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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10
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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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