If 30 men can reap a field in 15 days, then in how many days can 20 men reap the
same field? (using unitary method)
Valli buys 10 pens for 180 and Kamala buys 8 pens for 96. Can you say who
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20 men would complete the work is 22 and 1/2 days. Step-by-step explanation: We can use unitary method and also
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