CBSE Class 11 Computer Science Iteration Statements do While Loop Assignment

1. Write a program to print the sum of negative numbers, sum of positive even numbers, sum of positive odd numbers from a list of numbers entered by the user.
The list terminates when the num entered is zero.

2. Write a program to sum the given series. Accept the number of terms from the user.
2 -      5     +    8 - ……………………
9       13         17
3. Write a menu driven program as follows. Accept the necessary details from the user.
               MENU
--------------------------------
1. Area of a Rectangle
2. Perimeter of a Rectangle
3. Length of the diagonal
Enter your choice(1 to 3):

4. Write a program to accept the number of lines and print the following pattern.
Eg: If the number of lines is 4, then the pattern should be as follows.
*  *  *  *
 *  *  *
  *  *
    *

5. Write a program to print first ‘n’ odd numbers in descending order.
Eg: if number is 10, then the output is
9 7 5 3 1

6. Write a program to accept the number of lines and print the following pattern.
Eg: If the number of lines is 3, then the pattern should be as follows.
        1
    1  2  1
1  2  3  2  1

7. Write a program to print all prime numbers from 1 to ‘n’. Accept the value for ‘n’ from the user.
Eg: If number is 10, then the output is 2 3 5 7

8. Write a program to accept an integer ‘n’ (2 digit or more) and form a new integer that has the number of digit in ‘n’ at the ten’s place and the most significant digit of ‘n’ at the one’s place.
Eg: If the number is 458 then the new number is 34