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How many seconds in 2 hours and 15 minutes?
Oh, what a lovely question! In 2 hours, there are 120 minutes, and when you add 15 more minutes, you have a total of 135 minutes. Since there are 60 seconds in a minute, you can multiply 135 by 60 to find there are 8,100 seconds in 2 hours and 15 minutes. Just imagine all the beautiful things you can create in that time!
Is it average to run a mile in 9 minutes and 35 seconds?
No, that is terrible. Few people run a mile in more than 6 minutes. 5 minutes 30 seconds is about average. The fastst person ran it in 3minutes 58 seconds
Is 8 minutes more or less than 500 seconds?
It is less because 8*60 = 480 seconds
How many years are 100000000000000 seconds?
In 1014 or 100,000,000,000,000 seconds there are 1,666,666,666,666.67 minutes, 27,777,777,777.78 hours, 1,157,407,407.41 days and 3,170,979.20 years. More precisely 1014 seconds is 3,170,979 years, 72 days, 9 hours, 46 minutes and 40 seconds.
If a train is running 4 minutes late and losing 4 seconds per minute how many more minutes will it take for the train to be running half an hour late?
The train is running 4 minutes late. It "needs" to be running 1/2 hours, or 30 minutes late. So it needs to lose 26 minutes, or 26*60 = 1560 seconds. It loses 4 seconds per minute. So it loses 1560 seconds in 1560/4 = 390 minutes = 61/2 hours.
