Railway MCQ question answer
How many metres of carpet 63 cm wide will be required to cover the floor of a room 14 metres by 9 metres ?
(A)185 metres
(B)200 metres
(C)210 metres
(D)220 metres
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Correct Answer: (B) 200 metres ✅
Short Explanation:
Area of the room = (14 \times 9 = 126) m²
Width of carpet = 63 cm = 0.63 m
Length of carpet required = (\frac{126}{0.63} = 200) metres
✅ Answer: 200 metres