Three Gold (G) coins, three Silver (S) coins and three Copper (C) coins are arranged in a single row as follows Only 2 adjacent unlike coins can be moved at any one time. The moved coins must be in contact with atleast one other coinc in line i.e., no pair of coins is to be moved and placed away from the remaining ones. No coin pairs can be reversed i.e., S-C combination must remain in that order in its new position when it is moved. What is the minimum number of moves required to get all the coins in following order? C C S S S G G G

NIMCET 2008 Question Paper with solutions

Question : 70 of 120

Marks: +1, -0

Three Gold (G) coins, three Silver (S) coins and three Copper (C) coins are arranged in a single row as follows

Only 2 adjacent unlike coins can be moved at any one time.
The moved coins must be in contact with atleast one other coinc in line i.e., no pair of coins is to be moved and placed away from the remaining ones.
No coin pairs can be reversed i.e., S-C combination must remain in that order in its new position when it is moved.

What is the minimum number of moves required to get all the coins in following order? C C S S S G G G

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