1.

 A swimmer's speed downstream is 11 km/h and speed of the stream is 1.5 km/h.Find the upstream speed of swimmer?

A. 8 km/h
B. 9.5 km/h
C. 9 km/h
D. 6.25 km/h
Answer» B. 9.5 km/h


Discussion

No Comment Found

Related MCQs