In a college the ratio of the numbers of boys to the girls is 5:7. If there are 140 girls, the total number of students in the college is?
Select the correct option:
A) 200
B) 240
C) 160
D) 250
E) 310
Let the number of boys and girls be 5x and 7x   Then , 7x = 140   x= 20   Total number of students = 12x = 12*20= 
<gadget id="calculator">12*20</gadget>
<output>240</output>
240   Answer is 240
<result>B</result>
In a college the ratio of the numbers of boys to the girls is 5:7. If there are 140 girls, the total number of students in the college is?