The ratio of land and water on the globe is 1:2 but in the northern hemisphere it is 2:3 The ratio in the southern hemisphere is
a)4:11 b)3:2 c)4:3 d)2:11

• ans>4:11
  
  let suppose,
  land =5 unit
  water=10 unit
  total area=15 unit
  both hemisphere has equal area so
  northern has 7.5 unit
  southern has 7.5 unit
  in northern ratio is 2:3
  water =(7.5/5)*2=3 unit
  land=(7.5/5)*3=4.5 unit
  
  now in souther hemisphere
  water=5-3=2 unit
  land=10-4.5=5.5 unit
  so ratio is 2:5.5=4:11
  
  
  
• 9 years agoHelpfull: Yes(1) No(0)
• Suppose land=100 unit and water be 200 unit.
  Now total area becomes 300 unit and northern and southern hemisphere have total area of 150 unit
  Now for Northern area ratio is 2:3 so water=(150/5)*2=60 unit
  and land=(150/5)*3=90 unit
  Now in southern hemisphere
  water=100-60=40 unit and Land=(200-90)=110 unit
  so the ratio is 4:11
  
  
• 9 years agoHelpfull: Yes(1) No(0)
• 4:3
  1/2=2/3*3/4
• 9 years agoHelpfull: Yes(0) No(0)
• Answer= 4:11
• 6 years agoHelpfull: Yes(0) No(0)