Question

When 420 students took an examination, 80% passed.
How many passed?
How many failed?
And what percentage failed?ok examination​

Answer 1

No. of Passing Students = 80% × 420

= 80/100 × 420

= 336

No. of Failing Students = 100 - 80 = 20%

= 20/100 × 420

= 84