I have eight fingers and two thumbs but I do not live. What Am I?

Why is a river so rich ?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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

Bobby and Wilbur decided to take their respective car out of the garage and race. None of them cheated and they both stood at the start time and decided to cover a distance in full throttle. The first to reach the mark was to be declared the winner.

Upon reaching the finishing mark, they found out that Bobby's car was 1.2 times faster than Wilbur's. Now, Wilbur had reached the mark about 1 minute and 30 seconds later than Bobby. Bobby's car reached the mark of 60 MPH on average.

Can you calculate the distance between the starting mark and the final mark with the help of the given data?

What is the next number in this matchsticks series riddle?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

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

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

How can you tell a raw egg from a hard-boiled egg?