The speed of the train going from Karachi to Lahore is 100 km/h while – McqOptions

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1.	The speed of the train going from Karachi to Lahore is 100 km/h while when coming back from Lahore to Karachi, its speed is 150 km/h. find the average speed during whole journey.
A.	125 km
B.	136 km
C.	120 km
D.	138 km
Answer» D. 138 km

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