A man, on tour travel first 160 km. at 64 km/hr. and the next 160 km. at 80 km/hr. The average speed for first 320 km. of the tour is ?

A man, on tour travel first 160 km. at 64 km/hr. and the next 160 k

1.	A man, on tour travel first 160 km. at 64 km/hr. and the next 160 km. at 80 km/hr. The average speed for first 320 km. of the tour is ?
A.	35.55 km/hr
B.	71.11 km/hr
C.	36 km/hr
D.	72 km/hr
Answer» C. 36 km/hr

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A man, on tour travel first 160 km. at 64 km/hr. and the next 160 km. at 80 km/hr. The average speed for first 320 km. of the tour is ?

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