Coin touches coins

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?




Similar Riddles

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

Asked by Neha on 03 Apr 2025


A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

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Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

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Using Only Five 5's and any mathematical operator make sum as 37

Math Magic Possible

Asked by Neha on 26 Mar 2021

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Asked by Neha on 24 Apr 2022

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Asked by Neha on 20 Jul 2023


What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Asked by Neha on 11 Oct 2023

What can go up a chimney down, but can’t go down a chimney up?

Asked by Neha on 12 Jul 2025

Solve the counting riddle by identifying the number of triangles in the given picture.

Count the Triangle Riddle

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Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Asked by Neha on 12 Jul 2024

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.