1.

Nilu covers a distance by walking for 6 h. While returning, his speed decreases by 2km/h and he takes 9 h to cover the same distance. What was her speed while returning?

A. 2 km/h
B. 5 km/h
C. 4 km/h
D. 7 km/h
Answer» D. 7 km/h


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