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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
A person covers 9 km at a speed of 3 km/hr, 25 km at a speed of 5 km/hr and 30 km at a speed of 10 km/hr. The average speed of the entire journey is:
Solution
Total distance $= 9 + 25 + 30 = 64$ km Total time $= \frac{9}{3} + \frac{25}{5} + \frac{30}{10}$ $= 3 + 5 + 3 = 11$ hr Average speed $= \frac{64}{11} = 5\ \frac{9}{11}$ km/hrOnline Test Series, Information About Examination,
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