65 men can reap a field in 24 days. if the job is to be done in 20 days , how many more men have to be hired /?
it is direct or inverse

Dear Student,

Please find below the solution to the asked query :

Let the number of men needed to reap the field in 20 days = xNow, it is given that 65 men can reap the field in 24 days.Since, number of men varies inversely with number of days, so   20x = 24 × 65x = 78Hence, to complete the job in 20 days,  13 more men should be hired.

Hope this would have clear your doubt.

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It is inverse variations and... ANS=78mens
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