What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Can you count the number of squares in the given picture?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

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

What Is It?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Why Wine Glass Stem is so long?