Last Updated: 6 Feb, 2026

Deloitte Interview Questions

Ace the Deloitte coding interview by solving the Deloitte interview questions exclusively on CodeStudio with a range of practice problems.

Problem Title

Exp

Difficulty

Avg. time

Attempted

Upvotes

Kth smallest element in an unsorted array

80

Moderate

15 mins

3k

25

Smallest String After Ordered Operations

40

Easy

15 mins

0.2k

13

Kth factor of a number

80

Moderate

10 mins

1.4k

5

Count All Subarrays With Given Sum

80

Moderate

15 mins

51.4k

222

120

Hard

25 mins

0.9k

12

Snake and Ladder

80

Moderate

30 mins

2.6k

27

Replace ‘O’ With ‘X’

80

Moderate

35 mins

7.6k

48

Gold mine problem

80

Moderate

35 mins

4.3k

24

Number of Islands II

80

Moderate

30 mins

7.8k

49

Find All Sub-Square Of Size K

80

Moderate

15 mins

2.8k

21

Find Longest Sequence

80

Moderate

15 mins

2.6k

28

Rotate Matrix K times

80

Moderate

25 mins

1.9k

8

Find the Good Matrix

80

Moderate

30 mins

3.5k

19

80

Moderate

15 mins

16.7k

335

80

Moderate

25 mins

6.9k

22