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PSEB-SEQUENCES AND SERIES-EXERCISE
- The Fibonacci sequence is defined by 1 = a1= a2 and an=a(n-1)+a(n-2), ...
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- Find the sum of odd integers from 1 to 2001. (A) 100200 (B) 1002001 (C...
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- Find the sum of all natural numbers lying between 100 and 1000, which ...
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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 ...
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- In an A.P., if p^(th) term is 1/q and q^(th) term is 1/p, prove that t...
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- If the sum of a certain number of terms of the A.P. 25, 22, 19, .. . i...
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- Find the sum to n terms of the A.P., whose k^(th) term is 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 con...
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- The sums of n terms of two arithmetic progressions are in the ratio 5n...
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- If the sum of first p terms of an A.P. is equal to the sum of the firs...
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- Sum of the first p, q and r terms of an A.P. are a, b and c, respectiv...
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- The ratio of the sums of m and n terms of an A.P. is m^2: n^2. Show th...
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- If the sum of n terms of an A.P. is 3n^2 + 5n and its m^(th) term is 1...
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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, then find ...
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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 first instalment of Rs. 100. If he inc...
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- The difference between any two consecutive interior angles of a polygo...
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- Find the 20th and nth terms of the G.P. 5/2,5/4,5/8,.....
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