Question

A car was driven 280 kms at a constant speed. If it had gone 5km/hr faster the trip would have taken 1hr less time. What is the speed of car in Km/hr.​

Answer 1

Your Answer:-

Answer

AnswerDistance covered by car 180km

AnswerDistance covered by car 180kmTime taken by car 4hrs

AnswerDistance covered by car 180kmTime taken by car 4hrsSpeed of car 4180=45kmph

AnswerDistance covered by car 180kmTime taken by car 4hrsSpeed of car 4180=45kmphi) Distance travelled =400km

AnswerDistance covered by car 180kmTime taken by car 4hrsSpeed of car 4180=45kmphi) Distance travelled =400kmTime taken is 45400=8.8hrs

AnswerDistance covered by car 180kmTime taken by car 4hrsSpeed of car 4180=45kmphi) Distance travelled =400kmTime taken is 45400=8.8hrsii) time taken is 7hrs

AnswerDistance covered by car 180kmTime taken by car 4hrsSpeed of car 4180=45kmphi) Distance travelled =400kmTime taken is 45400=8.8hrsii) time taken is 7hrsDistance travelled is 45×7=315km

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Answer 2

Answer:

315km

Step-by-step explanation:

Distance covered by a car

Distance covered by a car Time taken by car 4hrs

Distance covered by a car Time taken by car 4hrsSpeed of car 180/4=45kmph

Distance covered by a car Time taken by car 4hrsSpeed of car 180/4=45kmphDistance traveled =400km

Distance covered by a car Time taken by car 4hrsSpeed of car 180/4=45kmphDistance traveled =400kmTime taken is 400/45 = 8.8hrs

Distance covered by a car Time taken by car 4hrsSpeed of car 180/4=45kmphDistance traveled =400kmTime taken is 400/45 = 8.8hrsTime taken is 7hrs

Distance covered by a car Time taken by car 4hrsSpeed of car 180/4=45kmphDistance traveled =400kmTime taken is 400/45 = 8.8hrsTime taken is 7hrs Distance traveled is 45×7 = 315km