Question

Express in second (i) 5 minute 20 second (ii) 3 hour 2 minute 40 second​

Answer 1

(i) 5 minute 20 seconds
1 minute = 60 seconds
5 minutes = 60 x 5 = 300 seconds
Therefore, 300 + 20 seconds = 320 seconds(Ans).

(ii) 3 hour 2 minute 40 second
1 hour = 3600 seconds
3 hours = 3600 x 3 = 10800 seconds

1 minute = 60 seconds
2 minute = 60 x 2 = 120 seconds

Therefore, 10800 + 120 + 40 = 10960 seconds (Ans).

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