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JBD PUBLICATION-SEQUENCES AND SERIES-EXAMPLE
- The 5th, 8th and 11th terms of a G.P. are p, q and x, respectively. Sh...
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- If the 4th, 10th and 16th terms of a G.P. are x, y and z, respectively...
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- If A.M. and G.M of roots of a quadratic equations are 6 and 5 respecti...
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- Prove that 1/3^2xx1/3^4xx1/3^8............=3
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- Prove that 1/4^3xx1/4^9xx1/4^(27)……………..=8
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- Find the sum of n terms of the series whose nth term is given by n^2+2...
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- A man starts repaying a loan as first instalment of Rs. 100. If he inc...
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- Find the sum of first n terms of an A.P. whose nth term is 3n+1.
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- If 3rd term of a G.P. is 324 and 7th term is 64, then find the 10th te...
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- How many terms of G.P. 3, 3^2, 3^3, ... are needed to give the sum 120...
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- If m times the mth term is equal to n times the nth term of an A.P. pr...
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- If the pth, qth and rth terms of an A.P. be x,y,z repsectively, then s...
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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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- Find the sum of all natural numbers lying between 100 and 1000, which ...
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- Let the sum of n, 2n, 3n terms of an A.P. be S1, S2 and S3, respective...
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- The sums of n terms of two arithmetic progressions are in the ratio 5n...
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- Prove that the sum of n arithmetic means between two numbers is n time...
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- The digits of a positive integer having three digits are in AP and the...
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- If the first and the nth terms of a GP are a and b respectively and if...
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- How many terms of the series sqrt(3) + 3 + 3sqrt(3) +…... will make th...
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