Question

You have completed a sum in 3 minutes. Express this in si unit of time?

Answer 1

$1hr = 60min \\ \frac{1}{60} hr = 1min \\ \frac{3}{60}hr = 3min$

1/20hr . ( ANS)

Answer 2

Answer: 180 Second

Explanation:

The second, symbol s, is the SI unit of time.

We know

1min = 60s

3min = 3*60

= 180s