GRE Quick Math
1/9
0.11111111
1/8
0.125
1/7
0.143
1/6
0.1666...
Square Root 2
1.414
17x6
102
13x8
104
15x7
105
12x9
108
11x10
110
14x8
112
16x7
112
13x9
117
17x7
119
15x8
120
5!
120
11x11
121
5^3
125
14x9
126
16x8
128
2^7
128
15x9
135
17x8
136
13x11
143
12x12
144
16x9
144
17x9
153
14x11
154
13x12
156
2^4
16
15x11
165
14x12
168
13x13
169
Square Root 3
1732
16x11
176
15x12
180
14x13
182
17x11
187
16x12
192
15x13
195
14x14
196
2!
2
First 17 prime numbers
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59
Square Root 5
2.236
Square Root 6
2.449
17x12
204
16x13
208
15x14
210
6^3
216
17x13
221
16x14
224
15x15
225
17x14
238
4!
24
16x15
240
16x16
256
2^8
256
4^4
256
3^3
27
2^5
32
7^3
343
13x3
39
14x3
42
6x7
42
15x3
45
16x3
48
6x8
48
17x3
51
2^9
512
8^3
512
13x4
52
6x9
54
14x4
56
7x8
56
3!
6
15x4
60
5^4
625
7x9
63
16x4
64
2^6
64
4^3
64
13x5
65
17x4
68
14x5
70
12x6
72
8x9
72
6!
720
9^3
729
15x5
75
13x6
78
16x5
80
3^4
81
12x7
84
14x6
84
17x5
85
15x6
90
13x7
91
12x8
96
16x6
96
14x7
98