Puzzles Online
Puzzle 7 | (10 Coins Puzzle)
You are blindfolded and 10 coins are place in front of you on table. You are allowed to touch the coins, but can’t tell which way up they are by feel. You are told that there are 5 coins head up, and 5 coins tails up but not which ones are which.
ANSWER:
Yes
Explanation:
Make 2 piles with equal number of coins. Now, flip all the coins in one of the pile.
Let’s consider a simple case:
P1 : H T T T T
P2 : H H H H T
By filping P1
P1 : T H H H H
P2 : H H H H T
P1(heads) = P2(heads)