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

In which direction should the missing arrow point?

I have teeth but i don't bite. Who Am I ?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What has many keys but can’t open a single lock?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

What occurs twice in a week, once in a year but never in a day?

Find the Goldfish below the given Image.

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

Why Wine Glass Stem is so long?