What will you call your mother's brother's brother-in-law?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

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

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

How many words can a pen with half refill write?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What 5-letter word typed in all capital letters can be read the same upside down?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?