In a class the number of girls is 20% more than that of the boys. The…

Question

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 -

Accepted Answer

Option C. 3 : 4. Answer & Solution Answer: Option C Solution: Let the number of boys be x & Then, & Number of girls & = 120\% of x = 6x5 & x + 6x5 = 66 & 11x5 = 66 & x = 66 × 511 & = 30 & So, number of boys & = 30 & And, new number of girls & = ( 6 × 305 ) + 4 = 40 & Required ratio & = 30:40 & =…