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There are three boats B_1, B_2 and B_3 working together they carry 60 people in each trip. One day an early morning carried 50 people in few trips alone. When it stopped carrying the passengers B_2 and B_3 started carrying the people together. It took a total of 10 trips to carry 300 people by B_1, B_2 and B_3. It is known that each day on an average 300 people cross the river using only one of the 3 boats B_1,B_2 and B_3. How many trips it would take to B_1 to carry 150 passengers alone? |
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Answer» 15 |
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