Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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

What Word am I Looking For ?

Can you find the hidden animal in the picture below?

What's the only room from which no one can enter or leave

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

It belongs to you, but other people use it more than you do. What is it?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

I’m tall when I’m young, and I’m short when I’m old. What am I?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?