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1. |
A conveyer belt delivers baggage at the rate of 3 tonne in 5 min and a second conveyer belt delivers baggage at the rate of 1 tonne in 2 min. How much time will it take to get 33 tonne of baggage using both conveyer belts ? |
A. | 25 min and 30 s |
B. | 30 min |
C. | 35 min |
D. | 40 min and 45 s |
Answer» C. 35 min | |