A bag contains 600 coins of 25 p denomin...

A bag contains 600 coins of 25 p denomination and 1200 coins of 50 p denomination. If 12% of 25 p coins and 24% of 50 p coins are removed, the percentage of money removed from the bag is nearly `15. 6 %` b. `17. 8 %` c. `21. 6 %` d. `30 %`

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