Quant Flashcards
4x6
24
7x4
28
7x5
35
7x6
42
8x3
24
8x4
32
8x5
40
8x6
48
8x7
56
11x11
121
12x3
36
12x4
48
12x5
60
12x6
72
12x7
84
12x8
96
12x9
108
12x11
132
12x12
144
13x3
39
13x4
52
13x5
65
13x13
169
14x3
42
14x4
56
14x5
70
14x14
196
15x3
45
15x4
60
15x5
75
15x15
225
20x20
400
25x25
625
30x30
900
3^1
3
3^2
9
3^3
27
3^4
81
2^1
2
2^2
4
2^3
8
2^4
16
2^5
32
2^6
64
2^7
128
2^8
256
2^9
512
2^10
1024
1/2
0.5
1/3
0.3333
1/4
0.25
1/5
0.2
1/6
0.16667
1/8
0.125
1/12
0.08333
0.5
1/2
0.3333
1/3
0.25
1/4
0.2
1/5
0.16667
1/6
0.125
1/8
0.08333
1/12
_2
~1.4
_3
~1.7
1st 15 prime numbers
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
4^3
64
5^3
125
10^3
1000
Divisible by 2 if:
even
Divisible by 3 if:
sum of digits is a multiple of 3
Divisible by 5 if:
ends in 0 or 5
Divisible by 9 if:
sum of digits is a multiple of 9
1/20
0.05
0.05
1/20
3/8
0.375
2/5
0.4
3/5
0.6
5/8
0.625
2/3
0.6666
4/5
0.8
7/8
0.875
6/5
1.2
0.375
3/8
0.4
2/5
0.6
3/5
0.625
5/8
0.6666
2/3
0.8
4/5
0.875
7/8
1.2
6/5
% Change =
Change in value / Original Value
New percent =
New value / original value
a^x * a^y
a^(x+y)
a^x / a^y
a^(x-y)
a^0
1
a^-x
1 / a^x
(a^x)^y
a^(xy)
(ab)^x
a^x * b^x
(a/b)^x
a^4 / b^4
_(a^x)
a^(x/2)
_(a) * _(b)
_(a*b)
_(a) / _(b)
_(a/b)
Odd + Even
Odd
Odd + Odd
Even
Even + Even
Even
Odd / anything
Odd
Odd / even
not integer
Odd # formula
2n+1 or 2n-1
Even # formula
2n
x^2-y^2 =
(X+y)(x-y)
