If Michael can shovel all the snow of a standard driveway in 12 minutes,and Emon can shovel all the snow of a standard driveway in 36 minutes,then working together,how many minutes would it take for them both to shovel all the now of a standard driveway ?
Solution
Correct Answer: Option B
একত্রে করে (36×12)/(36+12)
=(36×12)/48
=9 মিনিটে
=(36×12)/48
=9 মিনিটে
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