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

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

Can you start the fire using two pieces of wood?

Katrina wants to go on a date and prefers her date to be tall, dark and handsome.

Of the preferred traits - tall, dark and handsome - no two of Shahrukh, Ajay, Salman and Akshay have the same number.
Only Shahrukh or Akshay is tall and fair.
Only Ajay or Salman is short and handsome.
Shahrukh and Salman are either both tall or short.
Ajay and Akshay are either both dark or both fair.
Who is Katrina's date?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Can you identify if it's a murder or a suicide ?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100