The length of rectangular plot is thrice its breadth. If the area of the rectangular plot is 6075 sq. metres, what is its length?

145 meters

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130 metres

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75 meters

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45 metres

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None of these

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Solution

The correct option is E None of these
Let breadth of rectangular plot be b cm
Let length of rectangular plot, l =3b
$l \times b = 6075 \Rightarrow 3 b^{2} = 6075 \Rightarrow b^{2} = 2025 \Rightarrow b = 45$
Length of plot $= 3 \times 45 c m = 135 c m$

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The length of rectangular plot is thrice its breadth. If the area of the rectangular plot is 6075 sq. metres, what is its length?

The correct option is E None of theseLet breadth of rectangular plot be b cm Let length of rectangular plot, l =3b l×b=6075⇒3b2=6075⇒b2=2025⇒b=45 Length of plot =3×45cm=135cm

The correct option is E None of these
Let breadth of rectangular plot be b cm
Let length of rectangular plot, l =3b
$l \times b = 6075 \Rightarrow 3 b^{2} = 6075 \Rightarrow b^{2} = 2025 \Rightarrow b = 45$
Length of plot $= 3 \times 45 c m = 135 c m$