Practice Sample Problem and Solution - 11.12 | Chapter 11: Recursion | ICSE Class 12 Computer Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the base case for the sum of digits function?

πŸ’‘ Hint: Think about what happens when there are no digits left.

Question 2

Easy

How can we get the last digit of a number?

πŸ’‘ Hint: What operation gives you the remainder?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the correct base case for finding the sum of digits?

  • Return 0
  • Return 1
  • Return n

πŸ’‘ Hint: What condition signifies the end of recursion?

Question 2

Recursion can potentially lead to what error?

  • True
  • False

πŸ’‘ Hint: What happens when the call stack is overused?

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Modify the sum_of_digits function to return the product of the digits instead of the sum.

πŸ’‘ Hint: Think about how you would change the operator.

Question 2

Create a new recursive function that counts how many digits are in a given number.

πŸ’‘ Hint: Consider what defines the count of a number.

Challenge and get performance evaluation