Time and Distance Practice Test 1 with solutions

Question : 14 of 40

Marks: +1, -0

A person travels equal distances with speeds of 3 km/hr, 4 km/hr, and 5 km/hr and takes a total time of 47 minutes. What is the total distance in km?

Solution:

Let the equal distances be x km, then

x/ 3 + x/4 + x/5

{47}/{60}

⇒

{47x}/{60}

{47}/{60}

∴ x = 1 km
Hence, total distance = 3x = 3 × 1 = 3 km

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