If three numbers be in G.P., then their logarithms will be in
AP
GP
HP
None Of This
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1
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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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2
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Consider an infinite G.P. with first term a and common ratio r, its sum is 4 and the second term is 3/4, then
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3
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In an A.P., if d = -4, n = 7, an = 4, then a is
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4
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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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5
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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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6
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Find the nth term of the following sequence :
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7
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If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164 ?
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8
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In an A.P., if d = -4, n = 7, an = 4, then a is
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9
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If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are
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10
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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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