Question

please answer this all question step by step​

Answer 1

Step-by-step explanation:

(1hr=60mins)

I) 10 x 60 + 15

= 615 minutes

(1hr=60x60mins)

II) 10 x 60 x 60 + 15

= 36015 seconds

(1min=60sec)

III) 15 x 60 + 56

= 956 seconds

In the same way you can do all

Hope this helps!