alleryStart learning →Ropes of 84 cm and 120 cm are cut into equal longest pieces with none left. How long is each piece?
A6 cm
B24 cm
C36 cm
D12 cm
Answer & Solution
Correct answer: D. 12 cm
The longest equal piece is the HCF of 84 and 120, which is 12 cm, giving 7 and 10 pieces.
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