I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

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

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

81 x 9 = 801. What must you do to make the this equation true?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?