Question

In examination 45 percent students failed n 550 students passed what was total number of students who appeared in exames???

Answer 1

Answer:

let total no. of students =x

no. of failed students=45x/100

A.T.Q

45X/100 +550=X

550=X-45X/100

550=55x/100

550×100=55x

55000/55=x

1000=x