Question

A machine took 200 sec to sort 200 names, using bubble sort. in 800 sec, it can approximately sort ?

Answer 1

in 800 seconds it can sort 800 names

Answer 2

a machine take 200 seconds to sort 200 names.
so 1 word can be sorted in 1 sec.

so total words that can be sorted in 800 sec= 800*1= 800
so approximately 800 words can be sorted in 800 seconds.