By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

Can you quickly find which two matchstick figures are identical?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Out of four images which one is the odd one out?