A and B fills a pit in 3 hours altogether.A alone fills that pit in 5 hours,all alone. how much time will B take to fill the pit alone.
1) 7 hours 50mins
2) 7 hours 30 mins
3)6 hours 30 mins
4) 6 hours 50 mins
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Answered by
3
Answer:
6hours 30mins the ans is
Answered by
1
Answer:
3) 6hours 30 mins
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