Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

By using 'because' continuously three times, can you make an English statement ?

Can you find out the remainder when 3^300 is divided by 5?

Move three sticks of the spiral below to form a square.

Can you find the missing piece of the Porsche?

Count the number of balls in picture below:

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

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?

2, 3, 5, 9, 17, _ What is the next number in the sequence?