7. Write an algorithm to enter the name and marks of Mathematics for 3 students and find
the average marks of the students and print the result.
Step1:start
Step2: Store the names of 3 students in a$,b$, and c$ respectively.
Step3: store the marks of 3 students in 3 subjects in x,y, and z respectively.
Step 4: Add x,y, and z and store the result in av.
Step5: Display av.
Step6: stop
8. Write an algorithm to find the perimeter of a rectangle.
Step1:start
Step2: Store the length and breadth of the rectangle in l and b respectively.
Step3: Add l and b and store the result in p.
Step 4: Multiply p with 2 and store the result in x.
Step5: Display x
Step6: stop
9. Write an algorithm to enter a number and print the square and cube of that number.
Step1: Start
Step2: Store a number in a.
Step 3: Multiply a with itself and store the result in b.
Step 4: Multiply a with itself twice and store the result in c.
Step5: Display b and c
Step6: stop
10. Write an algorithm to store two numbers. Find their sum, difference and product and print them.
Step1:start
Step2: Store two numbers in a and b respectively.
Step3: Add a and b and store the result in c.
Step 4: Subtract b from a and store the result in d.
Step5: Multiply a with b and store the result in e.
Step6: Display c,d, and e.
Step 7:stop
11. Write an algorithm to find the cost of 12 packets of soap, assuming each packet costs Rs. 57.
Step1:start
Step 2: declare variables a and b and initialize them with 12 and 57 respectively.
Step3: Multiply a with b and store the result in c
Step 4: Display c
Step5: End