I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

What does this mathematical rebus means ?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

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?

Find the smallest sentence with all the English alphabet.

Can you find the hidden animal in the picture below?

Can you spot the man between the coffee bean in the picture below ?

Can you tell a 3D object that has just two surfaces?

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

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?