Sonu can type some documents in 20 days when he rests 9 hours per day. How much time will he take to type twice the documents, twice as fast and rest twice as long each day?
1
45
2
20
3
25
4
50
Sonu can type some documents in 20 days when he rests 9 hours per day. How much time will he take to type twice the documents, twice as fast and rest twice as long each day?