Ex 11.2, 1 Which of the following are in inverse proportion? (i) The number of workers on a job and the time to complete the job.
Two quantities in inverse proportion, if with increase in one quantity, the other quantity decreases.
As the number of workers on a job increase,
Time taken to complete the job decreases.
∴ They are in inverse proportion.
1 worker
complete work in 5 days
5 workers
complete work in 1 day

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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