In a group of 18 children, there are twice as many girls as boys, and twice as many right-handed people as there are left-handed people. If a sixth of the boys are left-handed, how many girls are right-handed? Choose the correct choice from the following choices:
A) 1	B) 3	C) 4	D) 5	E) 7
as per the question !!   total number of boys = 6 , total number girls =12   right handed = 12 , reft handed = 6   1/6(Boys)= left handed = 1   number of left handed people left = 5 = girls   total number of right handed girls = 12 - 5= 
<gadget id="calculator">12 - 5</gadget>
<output>7</output>
7   7
<result>E</result>
In a group of 18 children, there are twice as many girls as boys, and twice as many right-handed people as there are left-handed people. If a sixth of the boys are left-handed, how many girls are right-handed?