Solve this riddle by finding the odd one out from the rest.

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

If an electric train is travelling south, then which way is the smoke going?

What makes this number unique: 8,549,176,320?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

This was asked in an interview with Coa-Cola.

The interviewer has given me 100 marbles(50 white and 50 black) and two empty boxes.
He then told me that he will leave the room and i need to place all the marbles in two boxes.

And When he come back, he will draw a marble from any of the two box and if the marble is white I will be hired.

Also
* No box can be empty.
* All 100 marbles must be placed in one of the two boxes.

So what should I have done?

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

Where do you go to learn how to make ice cream?

What is the riddle which can be asked all day with a different correct answer each time.

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?