Question

In an examination, 90% of the candidates passed and 80 candidates failed. How many candidates had appeared in the examination?

Answer 1

Answer:

Let the total number students be x

Passed students =90%×100=0.9x

Failed students =(100-90)x=0.1x

0.1x=80

x=800 students

Hope it helps you from my side

Answer 2

Answer:

Let the total students be x.

Passed students=90%×100=0.9x

Failed students=(100%−90%)x=0.1x

Given,

0.1x=80

⟹x=800

Hence total candidates=800

Hope it helps you keep smiling :)