RRB RPF RPSF SI and CONS Model Papers 3 with solutions

Question : 17 of 120

Marks: +1, -0

The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 7803 sq. metre, what is the breadth of the rectangular plot?

51 metres
153 metres
104 metres
88 metres

Validate

Solution:

(a) Let the breadth of the rectangular plot be x metre.
∴ Length =

3x

metre
According to the question,

3x × x = 7803

⇒ x ^ { 2 } = { 7803 }/ { 3 } = 2601

\∴ x =√ { 2601 } = 51 { metre }

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