What does below rebus means ?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

What is the next number in this matchsticks series riddle?

Which country gets ill every time?

Why do you find that most of the buildings are deprived of the 13th floor?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

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

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

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