Which greatest possible length can be used to measure exactly 15 meter 20 cm, 12 meter 20 cm and 14 meter 20 cm
Answers.
A) 20cm	B) 25cm	C) 24cm	D) 55cm	E) 30cm
Explanation:   Convert first all terms into cm.   i.e. 1520 cm, 1220cm, 1420cm.   Now whenever we need to calculate this type of question, we need to find the HCF. HCF of above terms is 20.   Option 20cm
<result>A</result>
Which greatest possible length can be used to measure exactly 15 meter 20 cm, 12 meter 20 cm and 14 meter 20 cm