A car covers the first 39 kms of its journey in...

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A car covers the first 39 kms of its journey in 45 minutes and covers the remaining 25 km in 35 minutes. What is the average speed of the car ?

A. 40 km/hr

B. 48 km/hr

C. 49 km/hr

D. 64 km/hr

E. None of these

Answer: Option B

Solution(By Examveda Team)

Total distance travelled :
= (39 + 25) km
= 64 km
Total time taken
= (45 + 35) min
= 80 min
= $$\frac{4}{3}$$ hr
∴ Average speed :
= $$\left( {64 \times \frac{3}{4}} \right)$$ km/hr
= 48 km/hr

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