Question

convert into seconds

Answer 1

7 hrs 25 min.
=(7×60×60)+(25×60)
=(7×3600)+(1500)
=25200+1500
=26700 seconds.

Hope it helps u.

Answer 2

1 hr equals 3600 sec
nd 25 min= 25×60=1500 sec
Hence total seconds =3600+1500=5100sec