What month of the year has 28 days?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

Can you count the number of triangles in the given figure?

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?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What begins with T, ends with T, and has T in it?

You can hear me, but you can't touch or see me.

What am I?