Can anyone tell me a word in the English dictionary which has a silent 'z'?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

What time is it when an elephant sits on a fence?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Solve the puzzle by telling what does below picture means.

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

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?