Question

# The smallest value of x for which $\dfrac{7}{{\text{x}}}$ is an integer is${\text{A}}{\text{. 1}} \\ {\text{B}}{\text{. - 1}} \\ {\text{C}}{\text{. 7}} \\ {\text{D}}{\text{. - 7}} \\$

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Hint: All values of x will give an integer value for the fraction. By number system -7 is the smallest value in all of them.

We have a fraction, $\dfrac{7}{{\text{x}}}$. We need to find x such that the fraction becomes integer.