Gen Aptitude \ ratio and proportion

Question

Ratio of land and water on "earth is 1 : 2. In northern hemisphere, the ratio is 2 : 3. What is the ratio in Southern hemisphere.

A] 2:11

B] 4:11

C] 3:11

D] 5:11

Answer 1

   ans is B

Comments

it is 4:15 u r getting

how 4:11?

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not 4:15 it is 4/15 so one part will be 4 and other part will be 11==>>4:11

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ok :)

Answer 2

Ans is D)

ratio of land : water=1:2

In northan hemisphere land : water =2:3

if "   southern  "          land : water= x:y

According the question

2+x : 3+y =1:2

now putting the option we get x =5 , y=11      

Comments

ans given is B ] 4:11