Question

In an examination, 91% students passed
If 18 students failed, find how many
students appeared in the examination.


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Answer 1

$\huge\purple{Required \: Answer :}$

Therefore, 200 students appeared in the examination.

$\huge\bf{Explanation :}$

Let, x be the total number of Students.

Total percent of Students, who passed examination -

• 91 %

Therefore, Total percent of Students, who failed examination -

• 9 %

No. of Students Failed the Examination -

• 18 Students

Therefore,

$18 = 9\% \: of \: x \\ 18 = \frac{9}{100} \times x \\ x = \frac{18 \times 100}{9} \\ x = 2 \times 100 \: \: \: \\ x = 200$

Therefore, Total Number of Students appeared for Examination is 200

$\huge\sf\implies{Thanks : ❤}$