The Dog with the Rope



A dog is tied to leash (rope) which is twenty feet in length yet is able to run to a bone lying fifty feet away.

The leash (rope) does not stretch or break in any way. Why?

Ah! Click here to read the solution.

Nobody said that the other end of the leash was tied to anything.



Bird on the Moon



Moon’s gravity is one-sixth of the earth. A bird can fly in 10 meters per second on earth. How fast can it fly on the moon?

Ah! Click here to read the solution.

The bird cannot fly. Because there is no air on the moon to support flying.