I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

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

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What do you call a fish without an eye?

Can you count the number of children in the picture below

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

When it is alive we sing, when it is dead we clap our hands. What is it?