Mensuration Practice Test 5

Question : 25 of 40

Marks: +1, -0

The length and perimeter of a rectangle are in the ratio 5 : 18. The length and breadth will be in the ratio:

Solution:

Perimeter = 18x
Length = 5x
21(l + b) = 18x
2(5x + b) = 18x
10x + 2b = 18x
2b = 8x
Breadth = 4x
Ratio of the length and breadth

l/b

{5x}/{4x}

= 5 : 4

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