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Which of the following are in inverse pr...

Which of the following are in inverse proportion?(i)        The number of workers on a job and the time to complete the job.(ii)       The time taken for a journey and the distance travelled in a uniform speed.(iii)      Area of cultivated land and the crop harvested.(iv)      The time taken for a fixed journey and the speed of the vehicle.(v)       The population of a country and the area of land per person.

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(i) yes
(ii) no. direct proportion
(iii) no. direct proportion`
(iv) yes
(v) yes
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