A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Which is heavier: a ton of bricks or a ton of feathers?

The cream is heavier than Milk. True or False?

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

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Why 1729 is a magic number? Answer Logically.