How many sides does a circle have?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

How can you take 2 from 5 and leave 4?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

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?