Question 93

What will come in the place of ''?
$$\frac{18}{} = \frac{2}{7}$$

Solution

$$\frac{18}{*} = \frac{2}{7}$$

consider * = x

$$\frac{18}{x} = \frac{2}{7}$$

by doing cross multiplication,

$$18\times 7 =2\times x$$

$$x=63$$

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