Aditya is a carpenter. He marked the length of a piece of wood as 1.25 m but realised that he cut it at 1.72 m. What is the extra length of the wood that he needs to cut off now?
A
0.37 m
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B
0.47 m
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C
0.58 m
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D
0.78 m
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Solution
The correct option is B 0.47 m Length of wood = 1.72 m
Marked length of wood = 1.25 m
Length of wood cut off = 1.72 – 1.25
= 0.47 m
Therefore, the length of the wood he needs to cut off is 0.47 m.