What question can you never answer yes to?

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

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

What happened when the wheel was invented?

What breaks yet never falls, and what falls yet never breaks?

Find the missing letter in the last circle logically in the given below picture.