in each line. 3. 540 Bighas of land of an agricultural farm are to be cultivated in 14 days. 120 Bighas of land was cultivated in first 4 days by 5 tractors of equal strength. Let's work out using the method of the Rule of Three how many tractors will be required to complete the cultivation in time.
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7 more tractors will be needed to complete the farming work in time .
》In 4 days -----cultivated 120 bighas ----by 5 tractors .
》In 1 day ------Cultivated 120 bighas ----by (5×4)tractors.
》In 10 days ------Cultivated 120 bighas ----by (5×4)/10 tractors (left time =10 days).
=2 tractors .
Since,
Total land for cultivate =540 bighas
cultivated land =120 bighas .
So,
Left land =540-120
=420 bighas .
》In 10 days cultivated----120 bighas ---- by 2 tractors.
》In 10 days cultivated----1 bigha---- by 2/20 tractors
》In 10 days ----cultivated 420 bighas -----by (2/120)×420 tractors
=7 tractors.
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