Popular Problems
Rank Topic Problem Formatted Problem
1 Find the Number of Possibilities 7 choose 3 C37
2 Find the Number of Possibilities 8 choose 3 C38
3 Find the Number of Possibilities 5 choose 2 C25
4 Find the Number of Possibilities 4 choose 2 C24
5 Find the Number of Possibilities 8 choose 4 C48
6 Find the Number of Possibilities 10 choose 3 C310
7 Find the Number of Possibilities 7 choose 4 C47
8 Find the Number of Possibilities 6 choose 3 C36
9 Find the Number of Possibilities 9 choose 3 C39
10 Find the Number of Possibilities 3 choose 2 C23
11 Find the Number of Possibilities 6 choose 4 C46
12 Find the Number of Possibilities 5 choose 4 C45
13 Find the Number of Possibilities 7 permute 3 P37
14 Find the Number of Possibilities 7 choose 2 C27
15 Find the Number of Possibilities 10 choose 5 C510
16 Find the Number of Possibilities 10 choose 6 C610
17 Find the Number of Possibilities 13 choose 5 C513
18 Find the Number of Possibilities 3 choose 3 C33
19 Find the Number of Possibilities 4 choose 1 C14
20 Find the Number of Possibilities 4 choose 4 C44
21 Find the Number of Possibilities 5 choose 1 C15
22 Find the Number of Possibilities 6 permute 3 P36
23 Find the Number of Possibilities 8 choose 5 C58
24 Find the Number of Possibilities 9 permute 4 P49
25 Find the Number of Possibilities 13 choose 3 C313
26 Find the Number of Possibilities 12 choose 2 C212
27 Find the Number of Possibilities 12 choose 4 C412
28 Find the Number of Possibilities 12 choose 3 C312
29 Find the Number of Possibilities 9 choose 5 C59
30 Find the Number of Possibilities 9 choose 2 C29
31 Find the Number of Possibilities 7 choose 5 C57
32 Find the Number of Possibilities 6 permute 6 P66
33 Find the Number of Possibilities 8 permute 5 P58
34 Find the Number of Possibilities 8 permute 3 P38
35 Find the Number of Possibilities 7 permute 5 P57
36 Find the Number of Possibilities 52 choose 5 C552
37 Find the Number of Possibilities 5 permute 3 P35
38 Find the Number of Possibilities 12 choose 5 C512
39 Find the Number of Possibilities 3 choose 1 C13
40 Find the Number of Possibilities 11 choose 5 C511
41 Find the Number of Possibilities 10 choose 2 C210
42 Find the Number of Possibilities 15 choose 3 C315
43 Find the Number of Possibilities 52 choose 4 C452
44 Find the Number of Possibilities 9 choose 4 C49
45 Find the Number of Possibilities 9 permute 3 P39
46 Find the Number of Possibilities 7 permute 4 P47
47 Find the Number of Possibilities 7 permute 2 P27
48 Find the Number of Possibilities 11 choose 4 C411
49 Find the Number of Possibilities 11 choose 2 C211
50 Find the Number of Possibilities 11 choose 3 C311
51 Find the Number of Possibilities 10 permute 5 P510
52 Find the Number of Possibilities 5 choose 5 C55
53 Find the Number of Possibilities 6 choose 1 C16
54 Find the Number of Possibilities 8 permute 4 P48
55 Find the Number of Possibilities 8 choose 6 C68
56 Find the Number of Possibilities 13 choose 4 C413
57 Evaluate e e
58 Find Any Equation Perpendicular to the Line -7x-5y=7 -7x-5y=7
59 Find the Number of Possibilities 13 choose 2 C213
60 Find the Number of Possibilities 10 permute 2 P210
61 Find the Number of Possibilities 10 permute 3 P310
62 Find the Number of Possibilities 10 choose 7 C710
63 Find the Number of Possibilities 20 choose 4 C420
64 Find the Number of Possibilities 6 permute 4 P46
65 Find the Number of Possibilities 5 permute 4 P45
66 Find the Number of Possibilities 6 choose 5 C56
67 Find the Number of Possibilities 52 choose 3 C352
68 Find the Number of Possibilities 4 choose 0 C04
69 Find the Number of Possibilities 9 permute 7 P79
70 Find the Number of Possibilities 6 choose 2 C26
71 Find the Number of Possibilities 5 permute 5 P55
72 Find the Number of Possibilities 5 permute 2 P25
73 Find the Number of Possibilities 6 choose 6 C66
74 Find the Number of Possibilities 7 choose 6 C67
75 Find the Number of Possibilities 8 permute 6 P68
76 Find the Number of Possibilities 7 permute 7 P77
77 Find the Number of Possibilities 9 permute 5 P59
78 Find the Number of Possibilities 2 permute 2 P22
79 Find the Number of Possibilities 10 choose 8 C810
80 Find the Number of Possibilities 12 choose 7 C712
81 Find the Number of Possibilities 15 choose 5 C515
82 Find the Inverse [[1,0,1],[2,-2,-1],[3,0,0]] [1012-2-1300]
83 Find the Range 1/4x-7 14x-7
84 Find the Number of Possibilities 10 permute 7 P710
85 Find the Number of Possibilities 12 choose 6 C612
86 Find the Number of Possibilities 2 choose 1 C12
87 Find the Number of Possibilities 30 choose 3 C330
88 Find the Number of Possibilities 9 choose 6 C69
89 Find the Number of Possibilities 8 permute 2 P28
90 Find the Number of Possibilities 7 choose 1 C17
91 Find the Number of Possibilities 6 permute 2 P26
92 Find the Number of Possibilities 4 permute 2 P24
93 Find the Number of Possibilities 4 permute 3 P34
94 Find the Number of Possibilities 3 permute 3 P33
95 Find the Number of Possibilities 46 choose 6 C646
96 Find the Number of Possibilities 5 permute 1 P15
97 Find the Number of Possibilities 52 choose 7 C752
98 Find the Number of Possibilities 52 permute 5 P552
99 Find the Number of Possibilities 9 choose 1 C19
100 Find the Number of Possibilities 9 permute 6 P69
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 [x2  12  π  xdx ] 
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