Interested to Buy Any Domain ? << Click Here >> for more details...
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
- 3 Answers
- 34018 Views
- Deloitte, IIT, Wipro, I also Faced
- E-Mail Answers
Answer Posted / akshay b menon
(5n+4)/(9n+6)=((n/2){2x+(n-1)d})/((n/2){2x'+(n-1)d'})
=(2x+(n-1)d)/(2x'+(n-1)d')
=(x+{(n-1)/2}d)/(x'+{(n-1)/2}d')
implies,
m=(n-1)/2
2m-1=n
since m=13,n=25
substituting value of n in given ratio
(5*25+4)/(9*25+6)=129/231
| Is This Answer Correct ? | 45 Yes | 47 No |
Post New Answer View All Answers
Did integral membrane transport proteins arise as an independent protein class or from other types of proteins?
How to find coexpressed genes on NCBI GEO?
What is a DNA array?
Are all members of transporter families confined to a particular organelle or to the plasma membrane, or are some family members found throughout cellular compartments in eukaryotes?
How did you get into the field of bioinformatics?
Explain about needleman-wunsch algorithm?
can u give me an example of a project you were involved with that illustrates your interest and skills in bringing people together?
What do you think are the more interesting areas of bioinformatics?
In the next two or three years what will the important advances in the field be?
How to predict the function of a gene (product)?
Why do you think that bioinformatics is important?
What is the idea behind ?weighting? sequences in the package CLUSTAL W for multiple alignment? How are these weights calculated?
What are the current challenges in the Pharmaceutical and biotechnology sectors?
How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?
Describe the aim of microarray data analysis?
