alleryBoat 12 km/h still water, stream 3 km/h. Downstream speed:
A9 km/h
B12 km/h
C18 km/h
D15 km/h
Answer & Solution
Correct answer: D. 15 km/h
1. Downstream = boat + stream = 15 km/h.
_Source: 501-GMAT-Questions Section 4 / Manhattan Quant Bank_
Keep practising Speed Distance
Browse all Speed Distance questions for GMAT, or explore more Quantitative Reasoning topics.
Related questions
A man covers a distance in 6 hours at 40 km per hour. To cover it in 4 hours he must traveA man travels equal distances at 40 km per hour and at 60 km per hour. His average speed iA train 200 m long crosses a 100 m platform at 36 km per hour. It takes:A train 150 m long runs at 54 km per hour. The time it takes to pass a pole is:A car covers 300 km at 50 km per hour. At 75 km per hour the same trip would take:Zaheeda doubles her speed on the same route. The time she takes:A journey takes 120 km at a steady 60 km per hour. The time taken is:For a fixed distance, if the speed is increased then the time taken: