Which is the smallest number that you can write using all the vowels exactly once?

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?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Which five letter word can be added at the end of below word to form a
valid word?

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Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

When does a USA Potato change its nationality?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Solve the following series:
AZ, GT, MN, __, YB