You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What is the probability of getting five Mondays in a 31-day month?

Find the number of squares in the below picture

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Replace the question mark with the correct number in below Picture:

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?