Question

A car driver covers the first half of his total distance at a speed of ‘4x’ km/h and the second half at a speed of ‘4x – 8’ km/h. If the average speed for the entire journey comes out to be 46(2/3) km/h, find the value of ‘x’. [x > 3]

A 24
B 34
C 55
D 12
E None of these
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