Avinash works in an office from 9:30 a.m. to 5 p.m. He takes a lunch break of 30 minutes in between. Find the ratio of his lunch break to hia working time.

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Solution

Given, Avinash works in an office from 9:30 a.m. to 5 p.m.
Between the given time, he takes a break of 30 minutes for lunch.
So, total hours for which Avinash works = (9:30 a.m. to 5 p.m) - 30 minutes
= (9:30 to 17) - 30 minutes
= (17 - 9 :30) - 30 minutes
= 7 : 30 - 30 minutes
= 7 hours
Therefore, Avinash works for 7 hours = 7 Ã— 60 minutes = 420 minutes in a day.
Time he spent in lunch = 30 minutes
So, ratio of his lunch break to the working time = 30 minutes : 420 minutes
= 30 : 420
= 1 : 14

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