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

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

I can write cow in 13 letters.

Can You?

What jumps when it walks and sits when it stands?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

Can you solve below mathematical equation?

2^1234 - 2^1233

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E