Q. 23 The worst case running times of Insertion sort, Merge sort and Quick sort, respectively, are:
(A) Θ(n log n), Θ(n log n) and Θ(n2)
(B) Θ(n2), Θ(n2) and Θ(n Log n)
(C) Θ(n2), Θ(n log n) and Θ(n log n)
(D) Θ(n2), Θ(n log n) and Θ(n2)
Answer: (D)
Explanation: