Question

In an examination 65% of the total examinees passed. If the
number of failures 420,
the total number of examinees

Answer 1

total no of examinees =x

it is 35 %

$35\% \: of \: x \: = 420 \\ \frac{35}{100} \: \times x = 420 \\ x = \frac{420 \times 100}{35} \\ x \: = 1200$