You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

81 x 9 = 801. What must you do to make the this equation true?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

I cannot talk, but I always reply when spoken to. What am I?

What Adam and Eve do not have but the rest of the people have?

Why do we preferably have round manhole covers and not square ones?

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?

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???