Brain Teasers User Profile

Betty Krpan

See full ranking list
short ranking list
87. Maja Holc 170
88. rofe 168
89. Betty Krpan 166
90. Allen Douglas 162
91. Дејан Марсенић 162
last 3 solved tasks
If ba718 + a1b0c = 540a4 find number abc. Multiple solutions may exist.
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
For getting in a building, you need to give the correct password to the watchman. When the watchman says 6, the password is 3. When he says 12, the password is 6. But when he says 8, the password is NOT 4. What is the password when he says 8?
Follow Brain Teasers on social networks
This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.