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1. Perimeter of rectangle is 200 meter. Its width is 3/7 of its length . What is the length in meter ?
- A. 60
- B. 60
- C. 60
- D. 60
Answer: Option D
Explanation:
In case of a rectangle,
2(Length + Width) = perimeter
or, 2(Length + 3/7 of Length) = 200
or, 10/7 of Length = 200/2
So, Length = 200/2 x 7/10 = 70 meter
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