An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of:
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of: A. 300 kmph B. 360 kmph C. 600 kmph D. 720 kmph
- Nakul
- 18 Feb
- 201 Answers
201 Answers
201 Answers
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first knw formula
distance=speed*time
speed=distance/time
time=speed/distance
now read the question.they given aeroplance covers distance of 240 km/hr in 5 hours so we need the total distance of 5 hours...
distance=speed*time so distance=240*5=1200km
now we have to speed cover in 1+2/3 hours=5/3 hours
speed=distance/time speed=(1200/5/3)kmph=(1200*3/5)kmph=720 kmphModal content- yogeshwaran
- prasad
- suri
- rajesh
- harshit
- sachin
- sukhraj
- abhay
- prasad
- suri
- sukhraj
- abhay
- yogeshwaran
- rajesh
- harshit
- sachin
-
the distance covered by the aeroplane is 240 × 5 = 1200 kilometres To cover the same distance in 1 hour it must travel at a speed of 1200kmph.Modal content
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ALL OPTIONS ARE WRONG.. CORRECT ANSWER IS 1200KmphModal content
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1200kmperhourModal content
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1200km per hourModal content
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1200kmphModal content
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1200kmphModal content
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1200Modal content
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1200kmphModal content
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To distance is 240 * 5 = 1200 Km The speed is distance/time = 1200/1 = 1200kmphModal content
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1200 kmModal content
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208Modal content
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1200km/hr is right answerModal content
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1200km Per HourModal content
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Aeroplane covers 240 kilometers in 1 hour. So it will cover 240×5 = 1200 kilometers. 1200 kms is to be covered in one hourModal content
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1200km/hrModal content
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Distance = (240 × 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr. [We can write 5/3 hours as 5/3 hours]
∴ Required speed = (1200×3/5) km/hr=720 km/hr.Modal content
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Distance=240*5=1200 1+ REQUIRED SPEED=(1200/1) =1200Modal content
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1200 kmphModal content
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