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Question: A car covers four successive 7 km distance at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr , respectively . Its average speed over this distance is :
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Question: A car covers four successive 7 km distance at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr , respectively . Its average speed over this distance is :
Question 1: A car covers four successive 7 km distance at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr , respectively . Its average speed over this distance is :
View topic: গড় (Average)
40 km/hr
30 km /hr
20 km/hr
50 km/hr
Source: এসিস্ট্যান্ট এক্সিকিউটিভ অফিসার ২৯.১১. ২০১৯
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Answer: 20 km/hr
Explanation:
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