Rohit covers one-fourth of the total distance at 30 km/hr, one-fourth at 60 km/h
and rest of his journey at 60 km/h. Find Rohit’s average speed for the whole
distance?
Answers
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0
Answer:
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Answered by
1
Answer:
48 km/hr
Explanation:
Total Timetaken = T1+T2+T3
=D/4/30 + D/4/60 + D/2/60
= D/120 + D/240 + D/120
=5D/240.
Average speed. = Total Distance/total time taken
= D/5D/240
= 48 km/hr.
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