There is something which you can be arrested for attempting but not for successfully completing.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What is always in front of you but can’t be seen?

How many times can you subtract the number two from the number fifty?

What does below Rebus say?

XLR8

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

What's a single-digit number with no value?

There are forty elephants and they have forty-fore heads. How can this be possible?

Eight Chelsea player makes the following statements :

1. Seven of us are lying here.
2. Six of us are lying here.
3. Five of us are lying here.
4. Five of us are lying here.
5. Four of us are lying here.
6. Three of us are lying here.
7. My name is Torres.
8. My name is Lampard.

The last two are Lampard and Torres or maybe Torres and Lampard.
So can you deduce which of the last two is Lampard or Torres?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.