Test Index

WAEC Computer Studies 2014 Paper

Question : 42

Total: 50

Evaluate the BASIC statement:

Solution:

Concept:

Substitute the given values of variables into the BASIC expression and apply the order of operations (exponent, multiplication, addition).

Explanation:

The BASIC statement is

4*W^2 + 2*Y

Given

W = 5

and

Y = 10

Replace the variables:

4*(5)^2 + 2*(10)

First, calculate the exponent:

(5)^2 = 25

Then perform the multiplications:

4*25 = 100

and

2*10 = 20

Finally, add the two products:

100 + 20 = 120

Thus, the expression evaluates to

120

Answer:

D. 120

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