In a school seats for Maths, Physics and Biology in a school are in the ratio 1:2:3. There is a proposal to increase these seats by 10%,20% and 30%. What will be the ratio of increased seats?  Choose the most appropriate option:
A) 1:4:9  B) 16:34:47  C) 11:24:39  D) 15:42:77  E) 5:15:26
Let the number of seats of M,P,B be x,2x,3x   Number of increased seats are 110% of x , 120% of 2x , 130% of 3x   x*110/100 , 2x*120/100 and 3x*130/100   i.e. 11x/10, 12x/5 and 39x/10   Required ratio = 11x:24x : 39x = 11:24:39   Answer is 11:24:39
<result>C</result>
In a school seats for Maths, Physics and Biology in a school are in the ratio 1:2:3. There is a proposal to increase these seats by 10%,20% and 30%. What will be the ratio of increased seats?