Buy me, smell me or deliver me, I do not change.

Who am I?

What kind of tree can you carry in your hand?

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

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

What does this mean?

CCCCCCC

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Can you solve the below tricky visual equation?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?