Two ribbons of lengths 21 cm and 9 cm are cut into equal pieces of the greatest possible length. What is the length of e...

Type: MCQ • Marks: 1

Two ribbons of lengths 21 cm and 9 cm are cut into equal pieces of the greatest possible length. What is the length of each piece?

A. 30 cm

B. 4 cm

C. 3 cm

D. 63 cm

Explanation

The greatest length that divides both is the HCF of 21 and 9, which is 3 cm.

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Class 7th Ganita Prakash 2

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