What goes up but never comes down?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

I cannot talk, but I always reply when spoken to. What am I?

In the four images below, can you find the odd one out?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

Which is faster, Heat or Cold ? Explain.

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

What am I?