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

What month of the year has 28 days?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

A man dies of old age on his 25 birthday. How is this possible?

My location can be determined by the below rebus.
So where am i ?

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?

No matter how little or how much you use me, you change me every month. What am I?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

What does this rebus mean?

O
N
C
E
TIME