The common difference of the A.P. \(\frac{1}{3}, \frac{{1  3b}}{3} , \frac{{1  6b}}{3}\) . . . . . . is
\(\frac{1}{3}\)
\(  \frac{1}{3}\)
b
b
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1
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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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2
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The 3^{rd} and 7^{th} term of an arithmetic progression are 9 and 11 respectively. What is the 15^{th} term?
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3
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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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4
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The two geometric means between the number 1 and 64 are
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5
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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
Solution 
6
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If three numbers be in G.P., then their logarithms will be in
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7
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The 7th and 21st terms of an AP are 6 and 22 respectively. Find the 26th term
Solution 
8
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The sum of first n odd natural numbers in
Solution 
9
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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:
Solution 
10
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Find the n^{th} term of the following sequence :
Solution 
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