Using eight eights and addition only, can you make 1000?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

What do you see in the given picture?

Replace the question mark with the correct number in the below-given picture?

If 21x = 79x, what is the value of x?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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.

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?