Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

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

Can you write down eight eights so that they add up to one thousand?

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

How many words can a pen with half refill write?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

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?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.