Number Devil Test
in the sequence 3, 5, 8, 13, 21, 34, 55, 89, ... if we divide one number by the smaller number next to it in the sequence, we will eventually get
1.618
making 9 "hop" twice gives us
81
according to the number devil, what type of number is square root 2?
unreasonable
in the forest of ones, all the following number flies attacked Robert except
0
if you add 1/2 to 1/2 of 1/2 to 1/2 of 1/2 of 1/2 ... you will eventually get
1
the pattern for the "Bonacci numbers" can be used for any two starting values. What would be the next two numbers in the pattern be if you started with 4 and 6 for the "Bonacci" pattern?
10, 16
in roman numerals, MLXIV represents
1064
the sum of the numbers from 1 to 60 is
1830
what is the number that follows next in the sequence: 3, 6, 10, 15
21
if 1/3 of 33 bakers can make 89 pretzels in 2 1/2 hours, then how many pretzels can 5 3/4 bakers make in 1 1/2 hours?
28
two numbers next to each other in the "Bonacci" number sequence are 144 and 233. What's the next number in the sequence?
377
on page 59 of "the number devil", which of the numbers in the bottom chart should not be there?
49
from the triangle numbers: 1, 3, 6, 10, 15, 21, 28, 36, 45 what is the sum of the numbers 1 to 10
55
the sum of the first 14 triangular numbers is
560
a pyramid with a pentagonal base has 6 points, and 6 spaces (5 faces and a base), how many lines make up this shape
9
1, 1, 2, 3, 5, 8, 13, 21, ...
bonacci numbers
according to the number devil, most genuine mathematicians are bad at sums. This causes them to
carry a pocket calculator
half of infinity is smaller than infinity
false
number heaven is different than number hell
false
the sum of 1/2 + 1/3 + 1/4 + 1/5 +...
infinity
according to the number devil, why was zero the last number to be discovered?
it is the most sophisticated of numbers
"the thing that makes numbers so devilish is precisely that they are simple. you need one thing and one thing one:
numeral one
1, 2, 3, 4, 5, 6, 7, 8, ...
ordinary numbers
the statement "all englishmen are liars" said by the englishman is an example of
paradox
when Robert and the number devil are having students sit in different seats in different order is an example of
permutations
2, 3, 5, 7, 11, 13, ...
prima donnas
the analogy of hopping from one stone to another stone on a river was used to describe
proofs
what is the number devil's real name
teplotaxl
by the end of his experience, robert receives all the following except:
the number devil's pencil and calculator
what happens when you light up the numbers divisible by 4 on Pascal's triangle?
they form more triangles
1, 3, 6, 10, 15, 21, 28, ...
triangular numbers
according to the number devil, as long as the number is greater than two you can find two prima donnas that add up to it
true
according to the number devil, hopping backwards is called taking the rutabaga
true
according to the number devil, one is not a prime number
true
according to the number devil, there are infinite infinitely large numbers and there are infinite infinitely small numbers
true
according to the number devil, there are two types of numbers: those that can be divided evenly and prima donnas
true