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.

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.

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