Q12
In a class, the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are admitted to the class, the ratio of the number of boys to that of the girls is
A.
1 : 2
B.
3 : 4
AnswerC.
1 : 4
D.
3 : 5
Answer: Option B
Solution
Answer: Option B
Solution:
Girls : boys = 6 : 5Hence, girls = = 36
Boys = 30
New ratio, 30 : (36 + 4) = 3 : 4