Faruk can complete a task in 20 days. He gets 2 assistants- each of whom can work 1/2 as fast as he does. If all of them work together for 5 days, what percentage of the task will be completed?

Faruk can complete a task in 20 days. He gets 2 assistants- each of whom can work 1/2 as fast as he does. If all of them work together for 5 days, what percentage of the task will be completed? Correct Answer 50%

This can be done easily by the following way. যেহেতু ফারুকের দুই. Assistant তার সমান কাজ করবে ( 1/2 each), so total কাজ করতে তিনজনের মোট 20/2 = 10 দিন লাগবে। So 5 days এ 50% কাজ হবে।
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