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?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you name four days which start with the letter 'T'?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

A bomb exploded in a room full of married couples and no one died. How?

How many words can a pen with half refill write?

Why do you find that most of the buildings are deprived of the 13th floor?

In a Society, there are over 100 flats.

Flat 1 is named the first flat.
Flat 2 is named the second flat.
Flat 3 is named the third flat. And So On.....

A visitor decides to walk through all the flats, and he finds all the flats except flat 62.
Anmol later founds that the locals of the town have given it another name.

What is the name of the Flat?