John has $3$ pieces of ropes with lengths of $120$ cm, $180$ cm and $210$ cm. He wishes to c

Question

John has $3$ pieces of ropes with lengths of $120$ cm, $180$ cm and $210$ cm. He wishes to cut the $3$ pieces of rope into smaller pieces of equal length without any remainder. What is the greatest possible length of each smaller piece of rope? How many smaller pieces of rope can he get altogether?

Accepted Answer

(a) $30\text{ cm}$ (b) $17\text{ pieces}$

IP1U1 SWIII Q4

IP1U1 SWIII Q4

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