Question

in an exam 90% students passed if the 15 student fail find the number of students appeared in the examination​

Answer 1

Explanation:

90%passed

100%-90%=10% failed

10%=15 students

100%=x students

• USE CROSS METHOD

10x=1500

x=1500/10

x=150 number of students appeared in the exam.

Answer 2

150

Explanation:

15 fail

90 percent pass

15=10 percent

135=90 percent

150