Rohit covers one-fourth of the total distance at 20 km/hr, one-fourth at 10 km/h and rest of his journey at 80 km/h. Find Rohit s average speed for the whole distance?

Rohit covers one-fourth of the total distance at 20 km/hr, one-fourth

1.	Rohit covers one-fourth of the total distance at 20 km/hr, one-fourth at 10 km/h and rest of his journey at 80 km/h. Find Rohit s average speed for the whole distance?
A.	22.85 km/hr
B.	25.15 km/hr
C.	50 km/hr
D.	40 km/hr
Answer» B. 25.15 km/hr

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Rohit covers one-fourth of the total distance at 20 km/hr, one-fourth at 10 km/h and rest of his journey at 80 km/h. Find Rohit s average speed for the whole distance?

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