1.

A car completed a journey of 400 km in 121/2 hrs. The first 3/4 of the journey was done at 30 km/hr. Calculate the speed for the rest of the journey.

A. 40 km/hr
B. 30 km/hr
C. 25 km/hr
D. 45 km/hr
Answer» B. 30 km/hr


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