I am quite hot but become too cold if you remove the first two letters. What am I?

A father's child, a mother's child, yet no one's son.

Who am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

If your uncle’s sister is not your aunt, what relation is she to you?