How many hour and half minute in a seconds?

Answer 1

5400 seconds.

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60 seconds = 1 minute

60 minutes = 1 hour

so 1 and a half hours is 1.5x60x60= 5400

BUT

I read question as 1 hour (60x60=3600seconds)

plus half minute (0.5x60 = 30 seconds)

so total is 3660 seconds