Question

In an examination 90%of the candidate passed and 80candidates failed how many candidates had appeared in the examination

Answer 1

BE BRAINLY

in an exam, if 90% of people passed then 10% of people failed

We know that 80 students failed.

Let total candidates be x

Therefore

10% of x = 80

(10/100)x = 80

x = 80 × 10

x = 800

Therefore there were 800 candidates.

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Answer 2

Let the total number of candidates be x
10%of student failed 

10/100×x=80
x=80×100/10
x=800