Practice Syntax of a Recursive Function - 11.5 | Chapter 11: Recursion | ICSE Class 12 Computer Science
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Practice Questions

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Question 1

Easy

What is a base case in recursion?

💡 Hint: Think about what prevents a function from calling itself endlessly.

Question 2

Easy

Write a simple recursive function to compute the power of a number, say power(base, exp).

💡 Hint: How do you reduce the exponent with each call?

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 a base case in a recursive function?

  • A case that initiates recursion
  • A case that continues recursion
  • A condition that halts recursion

💡 Hint: Remember: what keeps the recursion from running forever?

Question 2

True or False: Each recursive call adds a new layer to the call stack.

  • True
  • False

💡 Hint: Think about how each call relates to the previous one.

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Challenge Problems

Push your limits with challenges.

Question 1

Write a recursive function to find the greatest common divisor (GCD) of two numbers.

💡 Hint: Think about how division can reduce the problem size.

Question 2

Develop a recursive function to generate all permutations of a string.

💡 Hint: Consider fixing one character and applying recursion to the remaining string.

Challenge and get performance evaluation