What approximate value come in the place of ‘x’ in the following questions.

${20.99}^2-24.97\%\text{of}220.02-?=131.13$

The correct option is 255.

To find the approximate value of 'x' (represented by '?'), we can round the decimal numbers in the given expression to their nearest integers.

The given mathematical equation is:

${20.99}^2-24.97\%\text{of}220.02-x=131.13$

Let us approximate each term:

$20.99\approx 21$

$24.97\%\approx 25\%$

$220.02\approx 220$

$131.13\approx 131$

Now, substitute these approximated values back into the equation:

${21}^2-25\%\text{of}220-x=131$

Simplify each component step-by-step:

1. Find the square of 21:
${21}^2=441$

2. Calculate 25% of 220:
$25\%\text{of}220=\frac{25}{100}\times 220=\frac{1}{4}\times 220=55$

3. Substitute these values back into the equation:
$441-55-x=131$

4. Solve for x:
$386-x=131$
$x=386-131$
$x=255$

Therefore, the approximate value that comes in place of 'x' is 255.