Which tank will fill first?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Which is the smallest number that you can write using all the vowels exactly once?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

Can you name four days which start with the letter 'T'?

In which direction should the missing arrow point?

What is the below Rebus indicate?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

What is the difference between a jeweller and a jailer?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?