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To reach office from his home, Ram drives a car towards North with a speed of 40 km/ hr for 30 minutes and takes a left turn and drives for one hour (due to heavy traffic, the speed reduced to 30 km/hr). Then he takes left and drives for 10 minutes at the speed of 60 km/hr and then he takes left and drives for 2 hour at the speed of 15 km/ hr. how far his office from his home is?

To reach office from his home, Ram drives a car towards North with a speed of 40 km/ hr for 30 minutes and takes a left turn and drives for one hour (due to heavy traffic, the speed reduced to 30 km/hr). Then he takes left and drives for 10 minutes at the speed of 60 km/hr and then he takes left and drives for 2 hour at the speed of 15 km/ hr. how far his office from his home is? Correct Answer 10 km

To reach office from his home,

1) Ram drives a car towards North with a speed of 40 km/ hr for 30 minutes. 

S = 40 kmph and t =   1/2 hr. So, S = D/t → D =  S * T = 40 *0.5 = 20km

2) takes a left turn and drives for one hour (due to heavy traffic, the speed reduced to 30 km/hr). Distance travelled is 30 km.

3) Then he takes left and drives for 10 minutes at the speed of 60 km/hr.

S =  60 kmph → 60 km per 60 minutes → So, in 10 minutes distance travelled will be 10 km.

4) then he takes left and drives for 2 hour at the speed of 15 km/ hr. 

S = 15 kmph and t =  2 hr. So, S = D/t → D =  S * T = 15 * 2 = 30km

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His office is 10 km away from his home.

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