Question

15 men can reap the rice of 20 hectares of field in 12 days.how long will it take for 12 men to reap the rice of 30 hectares of field

Answer 1

22 1/2 days is the answer

Answer 2

First we will calculate for 20 hectares

As there is inverse proption

15 * 12 = 12 x

=>x =15

Now we will calculate for 30 hectares

As there is direct proportion

30/y= 20/15

=> 30 * 15 = 20 * y

=>450/20= y

=>y = 22.5 days ans

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