42 labourers of a farm at Nasibpur village can cultivate the entire land of the farm in 24 days. But suddenly 6 labourers became ill during the period of cultivation. Let’s work out using the Rule of three method how many days it will take to cultivate the entire land of the farm by the rest of the labourers.

It takes 27 days to make 1000 spare parts by 16 numbers of machines. Let’s work out using the Rule of Three method how many days will it take to make the same number of spare parts if additional two machines are installed.