$8$:$011990990$ K$($B$)/($S$)55-$ End Semester $...$ cet.iitp.ac$.$in Examination Back Time left $1$:$58$:$45$ Question $10$ Not yet answered Marked out of $2\mathrm{.}00$ Flagquestion Quicksort works by: a$.$ Dividing the array into smaller sub$-$arrays, sorting them, and then combining them b$.$ Inserting elements into their correct positions directly