In winters, a school opens at 10:00am and closes at 3:30pm . If the lunch interval is of 30 minutes, find out the ratio of lunch interval to total time of the class period
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1: 10 will be the answer
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30:total hour in minutes
(5*60+1/2*60)
30:330
10:110
1:11
(5*60+1/2*60)
30:330
10:110
1:11
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