If six children and two dogs were under an umbrella, how come none of them got wet?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

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.

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Can you solve this picture maths equation?

If you say my name, I will no longer exist. What am I?