Question

in a class of 60,20% passed in first class, 30% in second class and the rest in third class. find the numbers of students passed each class

Answer 1

Step-by-step explanation:

12 in first class

18 in second class

30 in third class

Answer 2

Step-by-step explanation:

students passed from 1st class

60×20/100=12

students passed from 2nd class

60×30/100=18

therefor the students passed from 3rd class

60-12+18=60-30 =30