What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

How can you leave a room with two legs and return with six legs?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

What do you answer even though it never asks you questions?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What runs around the whole yard without moving?

I have eight fingers and two thumbs but I do not live. What Am I?