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

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

How Come ??

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

During which month do people sleep the least?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

When it's bad luck to meet a black cat?