Skip to content
Related Articles

Related Articles

Improve Article

Puzzle 24 | (10 Coins Puzzle)

  • Difficulty Level : Easy
  • Last Updated : 02 Aug, 2021

You are blindfolded and 10 coins are placed in front of you on the 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. 

Can you make two piles of coins each with the same number of heads up? You can flip the coins any number of times. 

ANSWER: 

Yes 

Explanation: 



Make 2 piles with an equal number of coins. Now, flip all the coins in one of the piles. 

Let’s consider a simple case: 

P1: H T T T T 
P2: H H H H T 

By flipping P1 

P1: T H H H H 

P2: H H H H T 

P1(heads) = P2(heads) 

This article is contributed by Vikash Kumar. Please write comments if you find anything incorrect, or share more information about the topic discussed above. 
 

 

My Personal Notes arrow_drop_up
Recommended Articles
Page :