The distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.
=(2×84×56/84+56) =(2×84×56/140) =67.2 km/hr
=(2×84×56/84+56)
=(2×84×56/140)
=67.2 km/hr
1297 MCQ for effective preparation of the test of Average of Word Problems section.
Read the MCQ statement: The distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform spe .... g the whole journey., keenly and apply the method you have learn through the video lessons for Average to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 357-13124.