If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Can you tell a 3D object that has just two surfaces?

Give it food and it will live; give it water and it will die.

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3