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Q.

The side of a square plot is 15 cm. A path of width 3 cm runs around outside it. The side of the outer

square is

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a

18 cm

b

12 cm

 

c

16.5 cm

 

d

21 cm

 

answer is D.

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Detailed Solution

 

Side of a square plot

a =15cm

 

A path of width 3 cm runs around outside it

 

Side of the outer square with path

=15+6=21 cm

 
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