Question

(ii) On converting 12 hours 7 minutes into seconds, we get
(a) 42620s
(b) 43620s
(c) 41620
​

Answer 1

12 hours= 12×3600 seconds

=43200 seconds

7 mins= 7×60 seconds

=420 seconds

The total time =43200+420=43620seconds

So the answer is (b) 43620s

Answer 2

Answer:(b)

I hope that it will help you...