A) 18
B) 16
C) 10
D) 24
Correct Answer: B
Solution :
Let length be 3x and breadth be2x \[\therefore \] Perimeter = 2 (length + breadth) \[=\text{ }2\left( 3x+2x \right)=10x\] \[\therefore \] According to question, \[10x=80m\] \[\therefore x=8m\] \[\therefore \] Breadth \[=\text{ }2x\] \[=2\times 8=16\] mYou need to login to perform this action.
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