Can you place six X (crosses) in below board without making three in a row in any way ?

The richest man in the city Mr Rechard is kidnapped. James Bond is appointed to the case. At the crime scene, a note is found written by Mr Richard. The note read:

"First of January, Fourth of October, Fifth of March, Third of June."

James Bond knew that somehow, the killer's name was hidden in the note. The following were the suspects:

Jack Richard, the son and the heir of property.
John Jacobson, the employee of Richard.
June Richard, the wife of Richard.

James Bond took only a few moments to deduce the killer's name. Can you tell who was the killer?

Can you place three balls such that the equation shown in the picture holds true?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Prove that twice of ten is the same as twice of eleven.

Can you count the number of triangles in the given figure?

Can you decipher the two rows to find the hidden word?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?