It depends on whether the question refers to 152 days, years, hours, seconds etc.
300 seconds
200 minutes
0.6 minutes
2.5333... minutes are equivalent to 152 seconds.
there are 11 hours and 40 mintues :)
90 seconds
There are 5 times 60 = 300 seconds
900 seconds.
8.5 mintues
10 minutes
hmm.. this is a tough one try 10 mintues
60 mintues. also, 60 seconds for 1 minute.