Question

****0NLY FOR GENIUS******

Perimeter of a rectangle is 2.4m less than 2/5 of the perimeter of a square . If the perimeter of the square is 40M , find the length and breadth of the rectangle give that breadth is 1/3 of the length .. CLASS 7 QUESTION TRY IT .. SCHOOL D.A.V PUBLIC !!


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Answer 1

2/5 of 40 is 16 Perimeter of rectangle is 16-2.4 i.e 13.6 l length of rectangle is x breath of rectangle is 1/3x Perimeter of rectangle is 2(l+b) 2(x+1/3x)=13.6 4/3x=13.6/2 4/3x=6.8 x=68/10×3/4 x=5.1 breath is 1/3 of length i.e 2.7 Length=5.1 Breath=2.7

Answer 2

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