An aeroplane flies twice as fast as a train which covers 60 miles in 80 minutes. What distance will the aeroplane cover in 20 minutes ?
A. 30 miles
B. 35 miles
C. 40 miles
D. 50 miles
Answer: Option A
Solution(By Examveda Team)
Time taken to cover 60 miles = 80 min = $$\frac{4}{3}$$ hrs∴ Speed of the train = $$\left( {60 \times \frac{3}{4}} \right)$$ mph = 45 mph
Speed of the aeroplane = (2 × 45) mph = 90 mph
Distance covered by the aeroplane in 60 min = 90 miles
Distance covered by the aeroplane in 20 min :
= $$\left( {\frac{90}{60} \times 20} \right)$$ miles
= 30 miles
Related Questions on Speed Time and Distance
A. 48 min.
B. 60 min.
C. 42 min.
D. 62 min.
E. 66 min.
A. 262.4 km
B. 260 km
C. 283.33 km
D. 275 km
E. None of these
A. 4 hours
B. 4 hours 30 min.
C. 4 hours 45 min.
D. 5 hours
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