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- Find the sum of all natural numbers between 100 and 1000 which are mul...
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- In an A.P, the first term is 2 and the sum of the first five terms is ...
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- How many terms of the A.P,-6 ,-11/2,-5,...are needed to give the sum -...
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- If the m^th terms of an AP is 1/n and the n^th term is 1/m, prove that...
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- If the sum of certain number of terms of the AP 25,22,19,........is 11...
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- Find the sum of n terms of the AP, whose K^th term is ak=5K+1.
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- If the sum of n terms of an A.P. is pn+qn^2, where p and q are constan...
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- The sums of n terms of two A.P.s are in the ratio (5n + 4): (9n + 6). ...
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- If the sum of p terms of an AP is the same as the sum of its q terms, ...
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- The sum of the first p,q,r terms of an AP are a,b,c respectively, prov...
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- The ratio of the sums of m and n terms of an A.P is m^2:n^2. Show that...
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- If the sum of n terms of an A.P is 3n^2+5n and its m^(th) term is 164....
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- Insert five numbers between 8 and 26 such that the resulting sequence...
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- If (a^n+b^n)/(a^(n-1)+b^(n-1)) is the A.M. between a and b, find the v...
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- Between 1 and 31, m numbers have been inserted in such a way that the ...
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- A man starts repaying a loan as a first instalment of Rs. 100. If he i...
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- The difference between any two consecutive interior angles of a polygo...
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- The n^(th) term of a sequence is given by an=4n+7 List the first 4 ter...
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- The n^(th) term of a sequence is given by an=4n+7 Is the sequence an A...
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- The n^(th) term of a sequence is given by an=4n+7 Is the sequence an A...
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