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Algorithms practice questions with answers

185 questions arranged into 13 focused exercises. Work in learning mode to review answers and explanations, or choose timed mode before starting.

Read theory

Review searching, sorting, algorithm design and time complexity, then answer questions with explanations. Practise choosing an approach and explaining its cost for placement and GATE CS concept preparation.

Showing exercises 1–10 of 13Page 1 of 2
Exercise 1Questions 1–15

Exercise 1

15 questions · about 18 minutes

0 easy · 10 medium · 5 hard
13 MCQ2 Numerical
Not attemptedStart
Exercise 2Questions 16–30

Exercise 2

15 questions · about 18 minutes

4 easy · 5 medium · 6 hard
11 MCQ2 Multi-select2 Numerical
Not attemptedStart
Exercise 3Questions 31–45

Exercise 3

15 questions · about 18 minutes

2 easy · 7 medium · 6 hard
13 MCQ2 Numerical
Not attemptedStart
Exercise 4Questions 46–60

Exercise 4

15 questions · about 18 minutes

3 easy · 6 medium · 6 hard
12 MCQ2 Multi-select1 Numerical
Not attemptedStart
Exercise 5Questions 61–75

Exercise 5

15 questions · about 18 minutes

0 easy · 6 medium · 9 hard
11 MCQ4 Numerical
Not attemptedStart
Exercise 6Questions 76–90

Exercise 6

15 questions · about 18 minutes

2 easy · 9 medium · 4 hard
14 MCQ1 Multi-select
Not attemptedStart
Exercise 7Questions 91–105

Exercise 7

15 questions · about 18 minutes

2 easy · 6 medium · 7 hard
15 MCQ
Not attemptedStart
Exercise 8Questions 106–120

Exercise 8

15 questions · about 18 minutes

1 easy · 9 medium · 5 hard
12 MCQ1 Multi-select2 Numerical
Not attemptedStart
Exercise 9Questions 121–135

Exercise 9

15 questions · about 18 minutes

2 easy · 7 medium · 6 hard
14 MCQ1 Numerical
Not attemptedStart
Exercise 10Questions 136–150

Exercise 10

15 questions · about 18 minutes

5 easy · 5 medium · 5 hard
15 MCQ
Not attemptedStart
Showing exercises 1–10 of 13 (Page 1 of 2)
12
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