A man dies of old age on his 25 birthday. How is this possible?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

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

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?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

When we see 2 but call 10?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Replace the question mark with the correct number.

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?