Virtual Labs

Computer Science and Engineering Problem Solving Lab Experiments

Aim

Theory

Objective

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Procedure

Simulation

Posttest

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Aim

Theory

Objective

Pretest

Procedure

Simulation

Posttest

References

Feedback

Permutations

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Beginner

Intermediate

Advanced

1. What is a permutation?

a: A selection of objects where order matters Explanation

Explanation

b: A selection of objects where order does not matter Explanation

Explanation

c: A type of sorting algorithm Explanation

Explanation

d: A way to balance weights Explanation

Explanation

2. How many permutations are there of 3 distinct objects?

a: 3 Explanation

Explanation

b: 6 Explanation

Explanation

c: 9 Explanation

Explanation

d: 12 Explanation

Explanation

3. What is the value of 4! (4 factorial)?

a: 10 Explanation

Explanation

b: 16 Explanation

Explanation

c: 24 Explanation

Explanation

d: 32 Explanation

Explanation

4. Which of the following is a combination, not a permutation?

a: Arranging books on a shelf Explanation

Explanation

b: Selecting a committee from a group Explanation

Explanation

c: Ordering runners in a race Explanation

Explanation

d: Arranging digits to form numbers Explanation

Explanation

5. In how many ways can you arrange the letters A, B, and C so that B is always first?

a: 1 Explanation

Explanation

b: 2 Explanation

Explanation

c: 3 Explanation

Explanation

d: 6 Explanation

Explanation

6. Which recursive approach is commonly used to generate all permutations of a set?

a: Backtracking Explanation

Explanation

b: Dynamic Programming Explanation

Explanation

c: Greedy Algorithm Explanation

Explanation

d: Divide and Conquer Explanation

Explanation

7. Which of the following statements about permutations is TRUE?

a: Order does not matter in permutations. Explanation

Explanation

b: The number of permutations of n objects is n!. Explanation

Explanation

c: Permutations are only used in mathematics, not computer science. Explanation

Explanation

d: Permutations and combinations are the same. Explanation

Explanation

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