Question:
In a class of 30 children 40% are girls. How many more girls coming to this class would make them 50% ?
A4
B3
C8
D6
Answer:
D. 6
Explanation:
Total students = 30 Girls = 40% of 30 = 12 Boys = 30 - 12 = 18 When 6 more girls coming to the class , num of girls = 18 That is equal to 50% of total strength of the class Total strength will be 36 (18 boys + 18 girls)