रेलवे स्लीपर बनाने के लिए किस चीज की जरूरत थी?
What was needed to make railway sleepers?
Explanation opens after your attempt
D. मजबूत लकड़ीStrong timber
Concept
Strong timber was needed for railway sleepers. Exam tip: connect timber demand with railways.
Why this answer is correct
The correct answer is D. मजबूत लकड़ी / Strong timber. Strong timber was needed for railway sleepers. Exam tip: connect timber demand with railways.
Exam Tip
रेलवे स्लीपरों के लिए मजबूत लकड़ी की मांग बढ़ी। परीक्षा में timber demand को railways से जोड़ें।
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