Question

In an examination, 72 percent of the total examinees passed. If the number of failures is 392,find the total number of examinees

Answer 1

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Let the total number of examinees are x

Total pass examinees = 72%of x
ATQ
$\frac{72}{100} \times x + 392 = x \\ 72x + 392 \times 100 = 100x \\ 100x - 72x = 39200 \\ 28x = 39200 \\ x = \frac{39200}{28} \\ x = 1400$
So The total number of examinees are 1400

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