Learn and practice Aptitude questions and answers with explanation for interview, competitive exam (Pariksha Corner )

Saturday, May 23, 2020

A 280 metre long train moving with an average speed of 108 km/hr crosses a platform in 12 seconds. A man crosses the same platform in 10 seconds. What is the speed of the man in metre/ second ?

A 280 metre long train moving with an average speed of 108 km/hr crosses a platform in 12 seconds. A man crosses the same platform in 10 seconds. What is the speed of the man in metre/ second ?
A5 m/s
B8 m/s
C12 m/s
DCannot be determined
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The ratio between the speed of a bus and train is 15 : 27 respectively. Also, a car covered a distance of 720 km. in 9 hours. The speed of the bus is three-fourth of the speed of the car. How much distance will the train cover in 7 hours ?

The ratio between the speed of a bus and train is 15 : 27 respectively. Also, a car covered a distance of 720 km. in 9 hours. The speed of the bus is three-fourth of the speed of the car. How much distance will the train cover in 7 hours ?
A760 km.
B756 km.
C740 km.
DCannot be determined
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A 320 metre long train moving with an average speed of 120 km/hr crosses a platform in 24 seconds. A man crosses the same platform in 4 minutes. What is the speed of man in metre/second ?

A 320 metre long train moving with an average speed of 120 km/hr crosses a platform in 24 seconds. A man crosses the same platform in 4 minutes. What is the speed of man in metre/second ?
A2.4
B 1.5
C1.6
D 2.0
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An aeroplane flies with an average speed of 756 km/hr. A helicopter takes 48 hours to cover twice the distance covered by aeroplane in 9 hours. How much distance will the helicopter cover in 18 hours ? (assuming that flights are non-stop and moving with uniform speed)

An aeroplane flies with an average speed of 756 km/hr. A helicopter takes 48 hours to cover twice the distance covered by aeroplane in 9 hours. How much distance will the helicopter cover in 18 hours ? (assuming that flights are non-stop and moving with uniform speed)
A5014 km
B 5140 km
C5130 km
D 5103 km
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A car covers the first 39 km. of its journey in 45 minutes and covers the remaining 25 km. in 35 minutes. What is the average speed of the car ?

A car covers the first 39 km. of its journey in 45 minutes and covers the remaining 25 km. in 35 minutes. What is the average speed of the car ?
A40 kmph
B 64 kmph
C49 kmph
D 48 kmph
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The average speed of a car is $\frac{4}{5}$ times the average speed of a bus. A tractor covers 575 km in 23 hours. How much distance will the car cover in 4 hours if the speed of the bus is twice the speed of the tractor ?

The average speed of a car is $\frac{4}{5}$ times the average speed of a bus. A tractor covers 575 km in 23 hours. How much distance will the car cover in 4 hours if the speed of the bus is twice the speed of the tractor ?
A340 km
B 480 km
C360 km
D 450 km
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Train-A crosses a pole in 25 seconds and another Train-B crosses a pole in 1 minute and 15 seconds. Length of train-A is half length of train-B. What is the respective ratio between the speeds of Train-A and Train-B ?

Train-A crosses a pole in 25 seconds and another Train-B crosses a pole in 1 minute and 15 seconds. Length of train-A is half length of train-B. What is the respective ratio between the speeds of Train-A and Train-B ?
A3 : 2
B3 : 4
C4 : 3
DCannot be determined
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