Find the average of 1 hour 25 minutes, 2 hours 40 minutes, 3 hours 35 minutes and 4 hours.

The average should be 182.5 minutes.

Given that,

There is 1 hour 25 minutes, 2 hours 40 minutes, 3 hours 35 minutes and 4 hours. we need to find the average.

Based on the above information, the calculation is as follows:

= 182.5 minutes

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 1 hour 25 minutes = 60+25 = 85 minutes
 2 hours 40 minutes = 120+40 = 160 minutes
 3 hours 35 minutes = 180+35 = 215 minutes
 4 hours = 240 minutes
average = (85+160+215+240)/4 = 700/4 = 175 minutes

175 minutes = 2 hours and 55 minutes

answer
average is 175 minutes or 2 hours and 55 minutes