Rajesh starts for office at 9.00 am and comes back 8.30 pm.He reaches his office by 10.00am leaves by 7.30 pm .His travelling time is 120 minutes.Find the ratio of travelling time to total time period in office.
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as total time in office is 6 and 1/2 hr. which sums up to 570 mins
as total time in office is 6 and 1/2 hr. which sums up to 570 mins
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