Question 5

What should come in place of both the question marks (?) in the following equation.

$$\frac{16}{?}=\frac{?}{42.25}$$

Solution

$$\frac{16}{x}=\frac{x}{42.25}$$

==> $$x^{2}=\frac{16\times4225}{100}$$

==> $$x=\frac{4\times65}{10}$$

$$\therefore x = 26$$

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