A and B together decide to dig a well in 7.5 days while working 4 hours in a day. But due to tiredness their efficiency decreases by 50% in every hour in a day and they started every day with full energy. Now find in how many days well will be dig
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A and B together decide to dig a well in 7.5 days while working 4 hours in a day. But due to tiredness their efficiency decreases by 50% in every hour in a day and they started every day with full energy. Now find in how many days well will be dig
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