NCERT Solutions Class 8 Mathematics Solutions for Exercise 13.2 in Chapter 13 - Direct and Inverse Proportions

Question 12 Exercise 13.2

Q6) A contractor estimates that 3 persons could rewire Jasminder's house in 4 days. If, he uses 4 persons instead of three, how long should they take to complete the job?



Let the time taken to complete the job be x.

NCERT Solutions - Mathematics , Class 8 chapter Direct and Inverse Proportions Question 12 Solution image

Here the number of persons and the number of days are in inverse proportion.




\Rightarrow\ x\ =\ 3

They will complete the job in 3 days.

Connect with us on social media!
2022 © Quality Tutorials Pvt Ltd All rights reserved