Two cars are moving in the same direction with a speed of 45 kmph and a distance of 10 km separates them. If a car coming from the opposite direction meets these two cars at an interval of 6 minutes, its speed would be:
(a) 50 kmph
(b) 55 kmph
(c) 60 kmph
(d) 75 kmph
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=45×10
=45×10=450
=45×10=450=450÷6
=45×10=450=450÷6=75
=45×10=450=450÷6=75so the answer is the speed of car is 75 kmph
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