Which greatest possible length can be used to measure exactly 15 meter 75 cm, 11 meter 25 cm and 7 meter 65 cm
Choose the correct choice
A) 45cm  B) 255cm  C) 244cm  D) 55cm  E) 50cm
Explanation:   Convert first all terms into cm.   i.e. 1575 cm, 1125cm, 765cm.   Now whenever we need to calculate this type of question, we need to find the HCF. HCF of above terms is 255.   Option 45cm
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Which greatest possible length can be used to measure exactly 15 meter 75 cm, 11 meter 25 cm and 7 meter 65 cm