Can you solve the maths in the below-given picture equation?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

What do you see in the given picture?

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?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Which country gets ill every time?

What does an Island and the letter T have in common?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Which of the below owl is odd one out?