The ratio of length and breadth of a rectangular plot is 8: 5 respectively. If the breadth is 60
metre less than the length, what is the perimeter of the rectangular plot?
ut of
Select one:
O a. 260 meter
estion
O b. 1600 metre
O c. None of these
O d. 500 metre
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1
Answer:
Let the length and breadth of the plot be 71x metres and 61x metres respectively.
Then, 71x61x=17324
⇒x²= 17324/71×61 =4⇒x=2
∴ Length =71×2=142m and Breadth =61×2=122m
∴ Perimeter =2(length + breadth)
=2(142+122)=528 m.
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