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Q.

The perimeter of the rectangle is 20cm. If the length of the rectangle is 6cm, then its breadth will be: 

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a

14 cm 

b

6 cm 

c

10 cm 

d

4cm 

answer is D.

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Detailed Solution

Perimeter of rectangle = 2(Length+Breadth) 

20 = 2(6+x) 

6+x = 20/2 

6+x = 10 

x = 10-6 

x=4 cm 

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