In a day, non-working time: working time is in the ratio 2:4 , how many hours in a day are spent on work.

Name: In a day, non-working time: working time is in the ratio 2:4 , how many hours in a day are spent on work.
Uploaded: Mon, 2020-06-15 05:56
Description: In a day, non-working time: working time is in the ratio 2:4 , how many hours in a day are spent on work.