Question:The length of a rectangle plot of land is `2 1/2` times its breadth.If the area of the plot is 1000 sq. metres, What is the length of the plot in metres ? 

A 20 
B 25 
C 30 
D 50 

+ Answer
D 

+ Explanation
Let the length of the plot be x metres

Breadth` = 2/5 x`

`:. x xx 2/5 x = 1000 => x^2`

`= (1000 xx 5/2)`

`= 2500 => x = 50`

:. Length = 50 m.

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Irin Moni

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