In a class, 60% of the total number of students are boys and there are 14 girls. How many students are there in the class?
Let the total number of students = Z
Percentage of girls = (100 – 60) % = 40%
Now,
Number of girls = 40% of Z
⇒ 14 = Z × 40/100
⇒ Z = 14 × 100/40
⇒ Z = 14 × 5/2
⇒ Z = 35