Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

How many times do a clock's hands overlap in a day ?

What Time Should the last watch show in the below figure?

What can go up a chimney down, but can’t go down a chimney up?

What kind of band never plays music?

Can you solve the photo plexer logic ?

When 99 is considered higher than 100?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.