GATE ME 2018 Set 1 — Question 4
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General Aptitude → Quantitative Aptitude → Mensuration & Geometry
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Question
A rectangle becomes a square when its length and breadth are reduced by 10 m and 5 m, respectively. During this process, the rectangle loses of area. What is the area of the original rectangle in square meters?
Correct answer
(B) 2250
Solution
Let the original length be and breadth be .According to the problem:
1.The rectangle becomes a square when length is reduced by 10 m and breadth by 5 m:
2.The area decreases by during this process:
Substitute into the area equation:Now, find :The area of the original rectangle is:Thus, the correct option is (B).Continue learning with Success Tracker
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