1.

A student walks from his house at 21/2 km/h and reaches his school late by 6 min. Next day, he increase his speed by 1 km/h and reaches 6 min before school time. How far is the school form his house?

A. 5/4 km
B. 7/4 km
C. 9/4 km
D. 11/4 km
Answer» C. 9/4 km


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