Question

how much times our heart beats for a day

Answer 1

Let us say that the heart beats about 72 times in a minute.

1 hour = 60 min.  1 day = 24 hrs

Then in a day :  72 * 60 * 24 = 1,03,680 times

Answer 2

in 1 day the no of heart beat is 72×60×24

103680 times