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?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

What number comes next in the series?

5 15 5 18 5 24 14 20 _

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What's the best place to go shopping in the ocean?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo