One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

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?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

It belongs to you, but other people use it more than you do. What is it?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

What number comes next in this sequence:
7 8 5 5 3 4 4 _

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?