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A train, travelling at a uniform speed for 360 km, would have taken 48 minutes less to travel the same distance if its speed were 5 km/hr more. Find the original speed of the train.

Tutor

45 km/hr

Eco, Maths and Stats Tutor

45 km/hr

Ans is 45km/hr S(s+5)/5 *(48/60)= 360 For more tricks contact me.

Tutor

45kph

Tutor

let initial speed be x kmph,and second speed x+5 kmph,t=d/s,in intial case we have 360/x and second case we have 360/x+5, difference..360/x-360/x+5=48/60 bcz 48 in min we have to convert in hour then we get the two value of x but which thsy have potivethis is our answer

Science Teacher

the answer is 45 km per hour for detail answer see the attachment.

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