Advertisements
Advertisements
Question
Seats for Mathematics, Physics, and Biology in a school are in the ratio 5 : 7: 8. There is a proposal to increase these seats by 40%, 50% and 75%, respectively. What will be the ratio of increased seats?
Options
2 : 3 : 4
6 : 7 : 8
6 : 8 : 9
None of these
MCQ
Solution
2 : 3 : 4
Explanation:
Originally, let the numbers of seats for Mathematics, Physics, and Biology be 5x, 7x and 8x, respectively.
∴ The required ratio = `(140/100xx5x):(150/100xx7x):(175/100xx8x)`
= `7x:(21x)/2:14x`
= `14x:21x:28x=2:3:4`
shaalaa.com
Ratio and Proportion (Entrance Exam)
Is there an error in this question or solution?
