Question

In an examination, 95% of the total examinees passed. If the number of failures is 28, how many examines were there?

Answer 1

Answer:

there are 560 examination

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Answer 2

let total no of students = x

then failed students= 28

and passes Students = x-28

according to question

95%of x= x-28

$\frac{95 }{100} \times x = x - 28 \\ 95x = 100x - 2800 \\ 5x - 2800 = 0 \\ 5(x - 560) = 0 \\ x - 560 = 0 \\ x = 560$

hence total no of examines were 560.

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