Leadership

Mathematics

Eight Standard

Test your understanding of this lesson Ratio and Proportion | Ratio:-

1)
If a:b=3:4 and b:c=16:27,then a:c=
  • 9:4
  • 3:2
  • 4:9
  • 2:3
2)
If x:y=3:5 and y:z= 6:7 then x:y:z=
  • 18:30:35
  • 9:15:35
  • 18:15:7
  • 9:30:35
3)
The sides of a triangle are in the ratio 3:4:5. If length of the longest side is 20 cm then the perimeter of the triangle is
  • 60 cm
  • 56 cm
  • 48cm
  • 46 cm
4)
The cost of an eraser is 75 paise and cost of a pencil is Rs.2.5 is
  • 3:5
  • 3:10
  • 1:30
  • 5:6
5)
The ratio between two numbers is 4:5.If their product 180 then their sum is
  • 27
  • 30
  • 54
  • 56
Hand draw

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