RRB Non Technical Model Papers 8 with solutions

Question : 85 of 100

Marks: +1, -0

A square lawn has a path 4 m wide around it. If the area of the path is

196 m^2

, then each side of the lawn is:

Solution:

Let the side of square lawn be x Then area of path

= (x + 8)2 - x^2 Now, (x + 8)^2 - x^2 = 196 ⇒ 16x +64 = 196 ⇒ x = 8.25 m

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