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 :

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 :

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 : ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Main Uddin

40 km/hr

30 km /hr

20 km/hr

50 km/hr

0 14

Institution: Janata Bank Ltd Exam: এসিস্ট্যান্ট এক্সিকিউটিভ অফিসার ২৯.১১. ২০১৯ ||
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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