What time will be 6 hours after 20:25 hours?
The count rate from a radioactive sample fails from 4.0 ×106 per second to 1.0 ×106 per second in 20 hours. What will be the count rate 100 hours after the beginning ?
If the time in the 24-hour format is 20:25, then what will be the time in the 12-hour format?
What time would it be 6 hours and 20 minutes from the given time?