Question

In an examination, 90%of the confidantes passed and 80candiddates failed . how many candidates have appeared in the examination​

Answer 1

Answer:

800 candidates

EXPLANATION

90% of candidates are passed that means 10% of candidates are failed. they given that the 80 candidates are failed so,

10% = 80

then 100% = 800

Answer 2

Explanation:

No.of students failed =(100-90)%

No.of students failed =10%

Let the no.of students appeared in the exam = x

10% of x = 80

X=80×100/10

X=800

No.of students appeard in the exam=800