Railway question answer
The area of a rectangular field is 2100 sq. meters. If the field is 60 metres long, what is its perimeter ?
(A)180 m
(B)210 m
(C)240 m
(D)None of these
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The area of a rectangular field is 2100 sq. meters. If the field is 60 metres long, what is its perimeter ?
(A)180 m
(B)210 m
(C)240 m
(D)None of these
Correct Answer: (D) None of these ✅
Short Explanation:
Area = Length × Breadth[2100 = 60 \times \text{Breadth} \Rightarrow \text{Breadth} = 35 \text{ m}]
Perimeter = (2(L + B) = 2(60 + 35) = 190) m
Since 190 m is not given in the options, the correct answer is None of these.