Question

the number of minute present in a day is​

Answer 1

There are 24*60 minutes in a day (ignoring the imperfections of the natural world, the Earth and Sun). So there are 24*60 valid 24 hour times (excluding seconds) on a digital clock. Each of these can be rotated 4 ways, by 0,1,2 or 3 places.

Answer 2

1,440 minute are present in a day .