10 farmers can plough a field in 21 days. Find the number of days reduced if 21 farmers ploughed the same field.
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Answer:
10 days
Step-by-step explanation:
10 farmers plough a field in = 21 days
1 farmer will plough the field in = 21×10 = 210 days
•°• 21 farmers will plough the field in = 210÷21
= 10 days
(inverse relation)
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