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2015-12-29T08:50:04+05:30

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First convert all terms into same unit.
2 mins 10 secs= 60+60+10= 130 secs

1 hour= 60x60= 3600 secs

Let 130 secs be y% of 3600.

> y% of 3600= 130
>  x  3600= 130   
100
> y= 130 x 100
           3600
> y= 3.61

=3.61%

Hope it helps.

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2015-12-29T14:29:02+05:30
2 minutes 10 seconds = ( 60 * 2 ) + 10  seconds
                                     = 120 + 10 seconds
                                     = 130 seconds.
1 hour = 60 minutes = (60*60) seconds
                                 = 3600 seconds.
let 130 seconds be x % of 3600 seconds.
thus , the equation we get is , 
x % of 3600 = 130 
( x/100) * 3600 = 130
x = (130 * 100) / 3600 
= 3.61 % 
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