Mensuration Practice Test 2

Question : 2 of 40

Marks: +1, -0

The area of a rectangular field is 15 times the sum of its length and breadth. If the length of the field is 40 m, what is the breadth of the field?

24 m
25 m
28 m
32 m

Validate

Solution:

Length of the field = 40 meter
According to the statement,
Area of rectangle = 15(sum of its length and breadth)
l × b = 15 (l + b)
40 × b = 15 (40 + b)
40b = 600 + 15b
40b − 15b = 600
25b = 600
b =

{600}/25

= 24 meter

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