2. of a certain journey is covered at the rate
of 25 km/h, at the rate of 30 km/h and the
5.
4.
h
rest of 50 km/h. What is the average speed
for the whole journey? UNV 2017, 2009)
1
(1) 30 km/h (2) 33 km/h (3) 33 km/h (4) 32 km/h
3.
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2. of a certain journey is covered at the rate
of 25 km/h, at the rate of 30 km/h and the
5.
4.
h
rest of 50 km/h. What is the average speed
for the whole journey? UNV 2017, 2009)
1
(1) 30 km/h (2) 33 km/h (3) 33 km/h (4) 32 km/h
3.
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