Question
Mathematics Question on Percentage
In a class, 40% of the boys is same as 1/2 of the girls and there are 20 girls. Total number of students in the class is
A
70
B
45
C
35
D
25
Answer
45
Explanation
Solution
Number of girls = 20
Now, 40% of boys = 10
→100%=100×4100=25
Therefore, Total students =20+25=45
The correct answer is (B) : 45