If the sum of n terms of two series of A.P are in the ratio
5n+4:9n+6 .find the ratio of their 13th terms

Answer Posted / krishna kumar ranjan

when ever u face this type of qun..
13*2-1=25 and put it in place of n in 5n+4/9n+6

Is This Answer Correct ?    61 Yes 30 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the principle involved in Biometry?

1734


How to Count number of nucleotide substitutions ?

1792


Integrate 3x + 5 / (x3-x2-x+1)?

1757


Can DeCypher be used for protein struc-ture modeling?

1670


How do ESTs work?

1518






What are the limitations of blotting techniques?

588


In the next two or three years what will the important advances in the field be?

603


Bootstrap analysis evaluates evolutionary trees by sampling columns from the original alignment with replacement (multiplying or removing some of them) and computing a proportion of times that a particular branch appears in the resulting trees. What is the main idea behind this approach?

1702


How to identify common acc.numbers from among a set of files ?

2336


What is protein sequencing?

656


What is computational biology?

569


Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)

12417


What is the input and outpit of a distance based algorithm?

1813


can u give me an example of a project you were involved with that illustrates your interest and skills in bringing people together?

1608


Suppose you used the NCBI Blast server to look for a match to a fruit-fly gene. Suppose further that the best alignment contained this section of an alignment: Hit from database: XXXXXXXXXXXXXXNFSTSQ User sequence: SLEAEAAPASISPSNFSSSQ What do the Xs signify?

1509