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

What number comes next in this sequence:
7 8 5 5 3 4 4 _

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Rearrange the letters in "new door" to make one word.

A cat, a dog and a monkey were stolen. 3 suspects got caught: Harish, Manoj and Tarun. All we know is each person stole one animal, but we do not know who stole which. Here are the investigation statements. Harish said: Tarun stole the cat. Manoj said: Tarun stole the dog. Tarun said: They both were lying. I did not steal the cat or the dog. Later on, the police found out the man who stole the monkey told a lie. The man who stole the cat told the truth. Can you find out who stole which?

What Time Should the last watch show in the below figure?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What is the largest number you can write with just 3 digits?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?