Hardeep exercises 39 minutes 29 minutes 41 minutes on the first three days of a week if the average amount of time he exercises for the first four days was of the week was 35 minutes how long did he exercise on the 4th day how to do it I want it's solution not direct answer
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Well this question has a very basic logic to it. It comes from the topic of averages.
Let us first assume the 4th day of the activity to be x minutes.
Therefore , by the general logic of averages :
=39+29+41+x/4 = 35 minutes
=109+x= 140
=> x=31 minutes.
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