Q. If an algorithm calls itself to do some part of work, it is said to be

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Q. For which of the following cases will the reversal of a string be equal to the original string?

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Q. Recursion is a method in which the solution of a problem depends on ____________

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Q. Which of the following problems can be solved using recursion?

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Q. Recursion is similar to which of the following?

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Q. In recursion, the condition for which the function will stop calling itself is ____________

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Q. Which of the following statements is true ?

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Q. Which of the following methods can be used to find the factorial of a number?

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Q. Which of the following recursive formula can be used to find the factorial of a number?

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Q. What is the time complexity of the above recursive implementation to find the factorial of a number?

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Q. What is the space complexity of the above recursive implementation to find the factorial of a number?

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Q. Suppose the first fibonnaci number is 0 and the second is 1. What is the sixth fibonnaci number?

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Q. Which of the following is not a fibonnaci number?

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Q. Which of the following methods can be used to find the nth fibonnaci number?

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Q. Which of the following recurrence relations can be used to find the nth fibonacci number?

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Q. What is the time complexity of the above recursive implementation to find the nth fibonacci number?

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Q. What is the space complexity of the above recursive implementation to find the nth fibonacci number?

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Q. Which of the following methods can be used to find the sum of first n natural numbers?

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Q. Which of the following gives the sum of the first n natural numbers?

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Q. What is the time complexity of the above iterative method used to find the sum of the first n natural numbers?

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