Mathematics
Grade-7
Easy
Question
The number of students in dance class decreased from 120 to 90 students. ______ is the percent change.
- 14%
- 25%
- 15%
- 30%
Hint:
In this question we will find the reduced number of students and then find the reduced %.
The correct answer is: 25%
STEP BY STEP SOLUTION
Number of student's in dance class = 120
Number of student's now = 90
Reduced student's = number of students earlier - number of student's now
Reduced student's = 120 - 90 = 30
Reduced %= 
Reduced %= 
The students in dance class is reduced by 25%
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