Question

2mins 20 sec =140sec. Prove

Answer 1

Step-by-step explanation:

Here in one minute there are 60 seconds

so in 2 minute= 2 x 60 = 120 second

Now as given.....

2 min 20 sec = 140 sec

120 + 20 sec = 140 sec

140 sec = 140 sec

Hence proved....

Answer 2

Step-by-step explanation:

1min=60 sec

There for,2min=60×2

=120sec

at last,2min 20sec=120+40

=140sec.

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