What runs around the whole yard without moving?

What is the next number in this series?

4,12,84,3612....

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Take away the whole and some still remain. What is it?

What word does this rebus represent?

meta meta
meta meta

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

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

How many letters are in the alphabet?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?