I am sure no one can have two things for dinner. what are they?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you place six X (crosses) in below board without making three in a row in any way ?

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?

Forwards I am heavy, backward I am not. What am I?