How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

What does below Rebus say?

XLR8

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

Replace the question mark with the correct number.

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Why is Saturday stronger than Monday?

Can you replace the question mark with the correct number?