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1. The ratio the length and the breadth of a rectangle is 4 : 3. The area of the rectangle is 192 $$cm^{2}$$. What will be its perimeter ?
(A): 56 cm
(B): 46 cm
(C): 28 cm
(D): 36 cm
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By: anil on 05 May 2019 02.44 am
Given, l/b=3/4....(1) l x b=192....(2) On solving (1) and (2) we get, l=16 and b=12 Thus perimeter=2(l + b)=2(16 + 12)=56cm
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RRB 2008 Kolkata
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