What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Why did Navjot Singh Sidhu put the new January calendar in the freezer

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you count the number of squares in the figure below?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?