Look at this sequence of numbers: 2, 4, 8, 16, 32, __. What is the next number?
64
Each number in the sequence is multiplied by 2 to get the next number (powers of 2).
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
More logic riddles
Three prisoners stand in a single file line facing a wall. They are shown 5 hats (3 black, 2 white) before being blindfolded. Each is given one hat, and the rest are hidden. P3 (back) sees P2 and P1. P2 (middle) sees P1. P1 (front) sees no one. P3 is asked if he knows his hat color and says 'No'. P2 hears this, is asked, and also says 'No'. P1 then correctly announces his hat color. What color is P1's hat?
An eccentric monarch has 10 sacks of gold coins, each containing 10 coins. Nine sacks contain genuine coins weighing exactly 10 grams each, but one single sack contains counterfeit coins weighing 9 grams each. Using a digital scale that provides an exact numerical weight in grams in a single weighing, how do you identify the counterfeit sack?
A pair of standard six-sided dice are rolled. The product of the two numbers is 12, and the sum of the two numbers is an odd number. What are the two rolled numbers?
The more of me there is, the less you can see. What am I?
You enter a dim room with a single oil lamp, a fireplace, and a candle. You only have one single match in your pocket. What must you light first to ensure everything can be illuminated?
A row goes: green hat, green hat, leprechaun, green hat, green hat, leprechaun, green hat, green hat. What comes next?