1.

Rachit took 4 hours to complete the last 1/4 part of a journey at an average speed of 55 km/hr. His average speed for the whole journey is 60 km/hr. How long will it take to cover the first 3/4part of the journey ?​

Answer»

5

Step-by-step explanation:

rachit TOOK 4 HOURS to complete 1/4 AVERAGE

of 55km/hr



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