R

Rohan Raj • 6.53K Points
Tutor III Math

Q. A car covers four successive three km stretches at speed of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr. respectively. Its average speed over this distance is ?

  • (A) 10 km/hr.
  • (B) 20 km/hr .
  • (C) 30 km/hr.
  • (D) 25 km/hr .
  • Correct Answer - Option(B)
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  • Filed under category Math

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