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

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

Find the last number in the series below:

voN luJ yaM raM ---

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Give it food and it will live; give it water and it will die.

I shave every day, but my beard stays the same. What am I?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

Below rebus represent famous DiCaprio movie. Can you name it?