John is the son of Jacob.
So,
Jacob is the_____of John's father?

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

Count the squares in the matchstick puzzle below?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Can you decipher the below rebus?

PBLUESAISNUERSES

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

What is the next number in this matchsticks series riddle?