The given Bar Graph presents the percentages of population in the age groups, X(above 50 years), Y(20 to 50 years), Z(below 20 years)in five different villages, A, B, C, D and E with total population of 5000, 6000, 8000, 4500 and 6000 respectively.

The number of persons having ages below 20 years in villages, B and C taken together is what percentage of the total population of the said villages?

A

$$\frac{190}{7}$$

B

$$\frac{200}{7}$$

C

$$\frac{186}{5}$$

D

$$\frac{184}{5}$$