Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
JBD PUBLICATION-SEQUENCES AND SERIES-EXAMPLE
- Find the sum of first n terms of an A.P. whose nth term is 3n+1.
Text Solution
|
- If 3rd term of a G.P. is 324 and 7th term is 64, then find the 10th te...
Text Solution
|
- How many terms of G.P. 3, 3^2, 3^3, ... are needed to give the sum 120...
Text Solution
|
- If m times the mth term is equal to n times the nth term of an A.P. pr...
Text Solution
|
- If the pth, qth and rth terms of an A.P. be x,y,z repsectively, then s...
Text Solution
|
- In an A.P., the first term is 2 and the sum of the first five terms is...
Text Solution
|
- Find the sum of all natural numbers lying between 100 and 1000, which ...
Text Solution
|
- Let the sum of n, 2n, 3n terms of an A.P. be S1, S2 and S3, respective...
Text Solution
|
- The sums of n terms of two arithmetic progressions are in the ratio 5n...
Text Solution
|
- Prove that the sum of n arithmetic means between two numbers is n time...
Text Solution
|
- The digits of a positive integer having three digits are in AP and the...
Text Solution
|
- If the first and the nth terms of a GP are a and b respectively and if...
Text Solution
|
- How many terms of the series sqrt(3) + 3 + 3sqrt(3) +…... will make th...
Text Solution
|
- Find the sum of n terms of the following sequences: 8+88+888+……………..up...
Text Solution
|
- The A.M. between two positive numbers is 34 and their G.M. is 16. find...
Text Solution
|
- If a be the A.M. and x, y be the two G.M's between b and c, show that ...
Text Solution
|
- The sum of three numbers which are consecutive terms of an A.P. is 21....
Text Solution
|
- If a,b,c are in A.P. and x,y,z are in G.P., then show that x^(b-c).y(c...
Text Solution
|
- Find a G.P. for which sum of the first two terms is -4 and the fifth t...
Text Solution
|
- The sum of an inifinite G.P. is 8. If the second term is 2, then find ...
Text Solution
|