In a school having roll strength 286, the ratio of boys and girls is 8 : 5. If 22 more girls get admitted into the school, the ratio of boys and girls becomes
A. 12 : 7
B. 10 : 7
C. 8 : 7
D. 4 : 3
Answer: Option D
Solution(By Examveda Team)
Boys : girls = 8 : 5 (let the boys = 8x, girl = 5x) Total strength = 286 8x + 5x = 286 13x = 286 Or, x = $$\frac{{286}}{{13}}$$ = 22 Boys = 176 and girls = 110 22 more girls get admitted then number of girls become (5x + 22) = 110 + 22 = 132 Now, new ratio of boys and girls = 176 : 132 = 4 : 3Join The Discussion
Comments ( 3 )
Related Questions on Ratio
If a : b : c = 3 : 4 : 7, then the ratio (a + b + c) : c is equal to
A. 2 : 1
B. 14 : 3
C. 7 : 2
D. 1 : 2
If $$\frac{2}{3}$$ of A=75% of B = 0.6 of C, then A : B : C is
A. 2 : 3 : 3
B. 3 : 4 : 5
C. 4 : 5 : 6
D. 9 : 8 : 10
x=22
boys = 8x = 8*22 = 176
girls = 5x = 5*22 = 110
How you calculate boys 176 and girls 110
how we got boys= 176 and girls=110. plz explain