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.

What breaks yet never falls, and what falls yet never breaks?

You need to arrange three 7 and mathematical symbols to form number 1?

I have branches, but no fruit, trunk or leaves. What am I?

Can you divide the below-given shape into four equal and identical pieces?

Move four matchsticks to the below square to form three squares?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?