A word I know has six letters it contains, remove one letter and 12 remain. What is it?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What is the next number in the series?

15 29 56 108 208 ?

Replace the question mark with the correct number in the below-given picture?

What has one eye, but can’t see?

The answer I give is yes, but what I mean is no. What was the question?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Solve the rebus riddle in the picture below.