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A rectangular park is 30 m long and 20 m wide. The length of fence around it is:
A50 m
B100 m
C60 m
D600 m
Answer & Solution
Correct answer: B. 100 m
1. Perimeter is twice the sum of length and width.
2. Twice 50 is 100.
3. So the fence is 100 m long.
_Source: NCERT Class 8 Mathematics, Chapter 11, Mensuration._
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