Harish switched on a bulb at 01∶23∶44 hours and switched it off on the same day at 11∶14∶38 hours. For how long was the bulb in switched-on mode?
09 hours 50 mins 54 secs
The correct answer is 09 hours 50 mins 54 secs.
This is similar to borrowing in standard subtraction with base 10 numbers, but here the bases are 60 (for seconds and minutes) and 24 (for hours in a day). Always start subtraction from the smallest unit (seconds) and move to the larger units (minutes, hours). If the top number is smaller, borrow from the next larger unit by adding its equivalent value in the current unit (60 seconds from a minute, 60 minutes from an hour) and reducing the larger unit by one.
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Important Questions from Clock and Calendar
Which day is 10 th October, 2027 ?
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Which date of June 2099 among the following is Sunday if 5 June 2022 is Sunday?
How many seconds in total are there in xweeks, xdays, xhours, xminutes and x seconds?
A man started from home at 14:30 hours and drove to village, arriving there when the village clock indicated 15:15 hours. After staying for 25 minutes, he drove back by a different route of length 1·25 times the first route at a rate twice as fast reaching home at 16:00 hours. As compared to the clock at home, the village clock is
