The ration of the number of boys and girls in a college is 2:3. If the percentage is increase in the number of boys and girls be 10% and 20% respectively. What will be the new ration?
Choose one.
A) 21:22	B) 13:17	C) 15:43	D) 11:18	E) 15:23
Let the number of boys and girls be 2x and 3x   their increased number is 110% of 2x and 120% of 3x   2x*110/100 and 3x*120/100   11x/5 and 18x/5   Required ratio = 11x/5 : 18x/5 = 11:18   Answer is 11:18
<result>D</result>
The ration of the number of boys and girls in a college is 2:3. If the percentage is increase in the number of boys and girls be 10% and 20% respectively. What will be the new ration?