1.

A man cycles with a speed of 10 km/h and reaches Zis office at 1 pm. However, when he cycles with a ;peed of 15 km/h, he reaches his office at 11 am. kt what speed should he cycle, so that he reaches lis office at 12 noon?

A. 12 km/h
B. 13.5 km/h
C. 12.5 km/h
D. 13 km/h
Answer» B. 13.5 km/h


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