I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What type of tree can I carry in my hand?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

I can write cow in 13 letters.

Can You?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

Name a key which is hardest to turn.

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

Solve below rebus puzzle?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL