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MANISH KAHAR

· started a discussion

· 1 Months ago

q (Question: 191063.0 )

70/(5+8)=70/13km/hr

Question:

A man completes 30 km of a journey at a speed of 6 km/hr. and the remaining 40 km of the journey in 5 hours. His average speed for the whole journey is –

Options:
A) 7 km/hr. 
B) 7.5 km/hr. 
C) 6\(\cfrac{4}{11}\) km/hr. 
D) 8 km/hr. 
Solution:
Ans: (a)


Knowledge Expert

· commented

· 1 Months ago

its 70/10 = 7 km/hr
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