# Determine n if(i) =12 : 1 (ii) = 11 : 1

(i)

Given: =12 : 1

4× (2n—1) = 12×(n-2)

8n – 4 = 12n – 24

12n – 8n = 24 – 4

4n = 20

n = 5

(ii)

Given: =11 : 1

4× (2n—1) = 11×(n-2)

8n – 4 = 11n – 22

11n – 8n = 22 – 4

3n = 18

n = 6

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Challenging Quiz on P&C | Test Yourself55 mins
Permutations & Combinations | Analyze your learningFREE Class
Check Your progress Part 2| Interactive Quiz: Permutation & CombinationFREE Class
Understand Permutations like never before60 mins
Lecture on Combinations49 mins
Interactive Quiz on Division and distribution of objects17 mins
Interactive Quiz on Combinations-0253 mins
Interactive Quiz on Combinations50 mins
Circular permutations61 mins
Division and distribution of objects58 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses