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1. |
If sum of upstream and downstream speed of a boat is 82 kmph, and the boat travels 105 km. upstream in 3 hr, Find the time taken by boat to cover 126 km downstream. |
A. | 2.8 hrs |
B. | 2.7 hrs |
C. | 2.6 hrs |
D. | 2.5 hrs |
Answer» C. 2.6 hrs | |