Question

22) In anexamination, 90% of the students passed. If 12
students failed, find the total number of student​

Answer 1

Answer:

120 students.

Step-by-step explanation:

let total no.of students be x.

90% passed. therefore, rest 10% failed.

given, 12 students failed.

that is, 10% of x = 12 students

10/100 × x = 12

1/10 × x = 12

x = 12×10

x = 120.