If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

If you say my name, I will no longer exist. What am I?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Take one out and scratch my head, I am now black but once was red. What am I?

Which is faster, Heat or Cold ? Explain.

Can you place three balls such that the equation shown in the picture holds true?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day