explain with the help of eg, the difference between the changes that can be reversed and those that can not
sapambika
Asked:
April 2023
At an International Airport, planes take off from four different runways at 4,8,12, and 15 minutes intervals. At 9 a.m., planes took off from all four runways simultaneously, but Reena has missed her flight due to a traffic jam. a)At what time will four planes take off together again?...