The length of the longest tape in cm which can be used to measure exactly, the length 6m; 5m ; and 12m is: Choose the correct choice
A) 200
B) 100
C) 50
D) 1200
E) 500
The three lengths in cm are 600,500 &amp; 1200.   HCF of 600, 500 &amp; 1200 is 100   Hence, the answer is 100 cm.   ANSWER:100
<result>B</result>
The length of the longest tape in cm which can be used to measure exactly, the length 6m; 5m ; and 12m is: