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4. Give four basic rules that we follow while writing an algorithm.
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5. What is the use of diamond symbol in a flowchart? Explain with example.
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6. Write an algorithm to do the following:
a. To input selling price and cost price and calculate the profit or loss.
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b. To input three numbers and display the average of the three numbers.
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c. To input a number and display the square of a number.
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56 Information Technology (V5.0)-VIII

