1) For the following question, how will the array elements look like after second pass of Insertion sort? 34,8,64,51,32,21 8,21,32,34,51,64 8,32,34,51,64,21 8,34,51,64,32,21 8,34,64,51,32,21 2) What is the disadvantage of selection sort? It requires auxiliary memory It is not scalable It can be used for small keys It takes linear time to sort the elements 3) Which of the following is an advantage of optimized bubble sort over other sorting techniques in case of sorted elements? Detects whether the input is already sorted Consumes less memory It is faster Consumes less time