A spring of force constant k is cut in to lengths of ratio 1:2:3. They are connected in series and the new force constant is k'. Then they are connected in parallel and force constant is k". Then k':k" is:

A spring of force constant k is cut in to lengths of ratio 1:2:3. They

1.	A spring of force constant k is cut in to lengths of ratio 1:2:3. They are connected in series and the new force constant is k'. Then they are connected in parallel and force constant is k". Then k':k" is:
Answer» `1:14` `1:6` `1:9` `1:11` ANSWER :D