A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

What goes up but never comes down?

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

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Move four matchsticks to the below square to form three squares?