Question

A computer has 3 ports to transfer data into flash-drives. The rate of data transfer varies asthe simultaneous transfers change as follows:single transfer means data transfer @ 3 mb per secondtwo simultaneous transfers mean data transfer@ 2 mb per second for each transferthree simultaneous transfers mean data transfer @ 1.5 mb per second for each transferrohit has to transfer 577 mb data into three flash-drives of data-holding capacity of 90 mb,200mb and 300mb respectively. What is the shortest possible time to perform this transfer?

Answer 1

Answer:

First use all three for 60 second first drive will be used. now use two transfer for 55 second second drive will be filled.now use third transfer for remaining 87 MB for 29 seconds. so total time is 60+55+29=144 seconds .

Explanation: