Class 12 CS Chapter 3 Working With Functions Solutions Sumita Arora New Syllabus

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Ex 3.1 Solutions

Back Exercise Part A

Back Exercise Part B

1. What are the errors in following codes ? Correct the code and predict output :
2. Consider the following code and write the flow of execution for this. Line numbers have been given for your reference.
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3. What will the following function return ?
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4. What will the following function print when called ?
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5. What will be the output of following programs ?
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6. Predict the output of the following code :
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7. What is wrong with the following function definition ?
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8. Write a function namely fun that takes no parameters and always returns None.
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9. Consider the code below and answer the questions that follow :
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10. Consider the code below and answer the questions that follow :
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11. Find the errors in code given below :
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12. Draw the entire environment, including all user-defined variables at the time line 10 is being executed
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13. Draw flow of execution for above program.
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14. In the following code, which variables are in the same scope ?
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15. Write a program with a function that takes an integer and prints the number that follows after it. Call the function with these arguments :
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16. Write a program with non-void version of above function and then write flow of execution for both the programs.
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17. What is the output of following code fragments ?
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Back Exercise Part C

1. Write a function that takes amount-in-dollars and dollar-to-rupee conversion price; it then returns the amount converted to rupees. Create the function in both void and non-void forms.
2. Write a function to calculate volume of a box with appropriate default values for its parameters. Your function should have the following input parameters :
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3. Write a program to have following functions :
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4. Write a function that receives two numbers and generates a random number from that range. Using this function, the main program should be able to print three numbers randomly.
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5. Write a function th^t receives two string arguments and checks whether they are same-length strings (returns True in this case otherwise false).
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6. Write a function namely zzfhRoot( ) that receives two parameters x and n and returns nth root of x i.e.,
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7. Write a function that takes a number n and then returns a randomly generated number having exactly n digits (not starting with zero) e.g., if n is 2 then function can randomly return a number 10-99 but 07, 02 etc. are not valid two digit numbers.
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8. Write a function that takes two numbers and returns the number that has minimum one’s digit. [For example, if numbers passed are 491 and 278, then the function will return 491 because it has got minimum one’s digit out of two given numbers (491’s 1 is < 278's 8)].
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9. Write a program that generates a series using a function which takes first and last values of the series and then generates four terms that are equidistant e.g., if two numbers passed are 1 and 7 then function returns 1 3 5 7.
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