What will be the next number in the sequence..


There are twenty flat plates with one side painted as blue and other side painted as red. Plates are randomly arranged such that 10 blue and 10 red surfaces are on the top. This table is moved in completely dark room. You must create two sets of plates with each set having the same number of blue and red top as the other group. You can only move or flip the plates; you are unable to determine their current state. How do you create two even groups of plates with the same number of blue and red in each group?

A snail is at the bottom of a well 30 feet deep. It crawls up 3 feet each day, but at night, it slips down 2 feet. How long does it take for the snail to crawl out the well?

Eight dozen dozen; is it greater than, equal to, or less than half a dozen dozen?

If all the dimensions of a three litre bottle are doubled what is the volume of the new bottle?

Is this a prime number : 224181?

4150 6749 8163 3571 8466 9788