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

Can you solve the below tricky visual equation?

Find the last number in the series below:

voN luJ yaM raM ---

Can anyone tell me a word in the English dictionary which has a silent 'z'?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Can you count the number of blocks in the picture below?

Which is the correct shadow of the bird?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?