Why is the Hole below a Lock?

How many times can you subtract the number two from the number fifty?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

When we see 2 but call 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

Can you find out the remainder when 3^300 is divided by 5?

No one wants to have it, but if one got it, he does not want to lose it. What is It?