You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

I am an odd number. Take away a letter and I become even. What number am I?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

How many triangles can you count in the figure given?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?