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Mathbits Challenge #1 Flashcards | StudBud
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Mathbits Challenge #1
Mathbits Challenge #1
30 terms
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Learn random #math facts with Mathbits, courtesy of Quiz.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
How many regular polyhedra are there? (i.e. cube, tetrahedron...)
6
5
7
8
2
What is 01011101 in decimal form?
61
54
87
93
3
Who invented the equals (=) sign?
Archimedes
Ancient Egyptians
Robert Recorde
Alan Turing
4
The sum of numbers on opposite sides of a dice always add up to..
7
6
8
9
5
List the triangular numbers.
1, 3, 6, 10, 15, 21 ...
1, 4, 9, 16, 25, 36 ...
1, 3, 6, 12, 24, 48 ...
1, 3, 6, 12, 18, 21 ...
6
What is the best way to solve most very hard math problems?
Take a simpler case, find a pattern and solve.
Try to guess the answer first, then check.
Try the problem the best you can, then try twice more.
Cry
7
Who did math in base-60?
Romans
Greeks
Babylonians
Egyptians
8
e
πi
= ?
ln(e)+i2-1
e2+i
i-ln(π)
0
9
If you fold a paper ___ times it will be
just
thicker than the size of the universe.
53
103
47
456
10
Which number is π?
0.000000000000000001
3.1415926535897932384626433832795028841971693993751058209749
3.1415926735898932385626433836725028819716939924751058209749
3.1415926735123932385626433836725028819716939924754568209748
11
111,111,111 × 111,111,111 = ?
987,654,321,123,456,789
12,345,678,987,654,321
98,765,456,789
1,234,567,654,321
12
How many different ways can a deck be shuffled?
104!
252
52!
522
13
What numbers are on the 4th row of Pascal's triangle?
1 3 3 1
1 4 6 4 1
1 1
1 5 10 10 5 1
14
How many weeks is 10! seconds exactly?
4 weeks
5 weeks
6 weeks
3 weeks
15
What field of math takes 2-dimensional mappings and places them in 3D space?
Topology
Geometry
Multivariable Calculus
Topography
16
Which is the correct Fibonacci sequence?
1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 154, 213, 382...
1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377...
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1...
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196...
17
What is the Banach-Tarski Paradox?
This statement is false.
A trend for 2 data groups disappears when groups are merged.
The number of even integers equals the number of integers.
A sphere cut in pieces can assemble into 2 original spheres.
18
1 + 1 =
2∫(𝑥(𝑘−1)∗𝑒(−𝑥/θ))/(Γ(𝑘)θ𝑘)𝑑𝑥 (from 0 to ∞)
∫[24ln(1+x)]/[π2x]dx (from 0 to 1)
∛(√(108) + 10) - ∛(√(108) - 10)
2∫(𝑥(𝑘−1)∗𝑒(−𝑥/θ))/(Γ(𝑘)θ𝑘)𝑑𝑥 (from 0 to ∞)
19
If sin(x)=2, what is x?
ln(2)
π+i⋅ln(2i±√π)
±√2
0.5π-i⋅ln(2±√3)
20
1 + 1/2 + 1/4 + 1/8 + 1/16 + ... =
1.9
2.0
1.5
2.1
21
Which of these is a Pythagorean triple?
11 60 62
51 140 148
28 195 197
140 170 221
22
What dimension is Koch's curve in?
2.1356733th dimension
2nd dimension
1.26186th dimension
1st dimension
23
Which number is the 21
st
prime number?
629
57
109
73
24
1 + 1/2 + 1/3 + 1/4 + 1/5 + ... = ?
∞
9/2
7π/2
0
25
Gabriels Horn has...
an infinite surface area
an infinite area
a finite length
an infinite volume
26
In a room of _____ people, there's a 50% of two people sharing a birthday.
23
75
99
12
27
Which number, in base 9, is equivalent to the base-7 number 63?
76
121
43
50
28
What does the gamma (Γ) function do?
Calculates a half derivative
Finds a factorial
Returns Pythagorean triples given an input n
Solves a quartic equation
29
What is the derivative of x
x
?
xx(1+ln(x))
ln(x)-xx
-exln(x)
x2x
30
Which word described a three-dimensional parallelogram?
parallelepipod
piparallel
parallelepiped
parallelogramal prism
