Flipping Coins Puzzle
There are twenty coins sitting on the table, ten are currently heads and tens are currently tails. You are sitting at the table with a blindfold and gloves on. You are able to feel where the coins are, but are unable to see or feel if they heads or tails. You must create two sets of coins. Each set must have the same number of heads and tails as the other group. You can only move or flip the coins, you are unable to determine their current state. How do you create two even groups of coins with the same number of heads and tails in each group?
Create two sets of ten coins. Flip the coins in one of the sets over, and leave the coins in the other set alone. The first set of ten coins will have the same number of heads and tails as the other set of ten coins.
Your Answer
More puzzles to try-
Man pushes his car and stops in front of a hotel puzzle
A man pushes his car and stops in front of a hotel and immediately goes bankrupt. What is he doing?Read More »How many members are there in Mr. Sparrow’s family?
In Mr. Sparrow’s family, there are one grandfather, one grandmother, two fathers, two mothers, one father-in-law, one mother-in-law, four children, three grandchildren, ...Read More »The Arm of the Postal Service
The Arm of the Postal Service One day a man received a parcel in the post. Carefully packed inside was ...Read More »Find the amount
I bought a sari and a blouse for Rs. 110 at the New *Market. The sari cost Rs. 100 more ...Read More »Nobody in back
Look in my face, I am somebody; Look in my back, I am nobody. What am I ?Read More »English word with five letters pronounced the same riddle
I am an English word with five letters. If you remove my last four I am still pronounced the same. ...Read More »Heard but not Seen
Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What ...Read More »Half the area of an L
Two arbitrary rectangles are placed to form an “L”. That is, the lower left-hand corner of the two rectangles share ...Read More »How many cricket matches have to be played?
There are N teams in a cricket match. How many matches have to be played to know the winner and ...Read More »When can you add two to eleven and get one?
When can you add two to eleven and get one?Read More »What does the complete addition look like in digits?
In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent ...Read More »My two tell you who I am
I am 5 letters long. My first two tell you who I am My first 3 could be a medicine ...Read More »How did he die?
A man named Tom goes to a party. Him and three guests go into a back room to play some ...Read More »Bridge Crossing by a Car
A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If ...Read More »Who is Murderer
John, Jack and Jill are in a desert. John doesn’t like Jill and hence decides to murder him. He poisons ...Read More »Compose the fraction riddle
Use the digits below once each only to compose two fractions which when added together equal 1. 0,1,2,3,4,5,6,7,8,9Read More »Cake cutting puzzle
Two twin brothers share the same birthday. Their father gets them a perfectly rectangular birthday cake, and the brothers decide ...Read More »Always confusing
It requires our mental skill to decode it, Our imagination to understand, Our knowledge is tested to its max, Confuses ...Read More »Coins Measuring Brain teaser
There are 6 coins, 4 of which are real and 2 are counterfeit. You are given a weighing balance and ...Read More »Decode The Riddle
Decode below three cipher riddles 26 L of the A 7 D of the W 1000 Y in a MRead More »