How old was the youngest U.S. president?
42
18
18
30 years old
18
61
18
30 years old
30
61
18
58
30
62
18
61
30 years old
58
30
35
18
62
61
30
35
58
18
28
62
30
61
35
18
28
58
29
30
35
62
63
18
28
61
17
58
29
30
35
18
28
62
17
4
66
63
61
29
30
69
35
58
109
18
28
79
17
4
62
29
66
63
30
61
35
57
18
28
69
78
17
4
58
109
79
29
30
35
62
3
20
66
63
18
28
61
76
17
50
4
69
58
13
109
29
30
35
3
20
57
18
15
28
78
62
17
50
4
66
63
79
61
76
48
13
29
5
14
30
69
35
3
20
58
18
15
28
56
17
50
4
62
48
13
109
29
5
66
63
14
30
79
61
35
3
20
25
68
57
18
15
36
28
56
78
17
50
4
58
32
76
89
48
13
29
5
14
30
69
35
62
37
3
20
25
63
18
15
36
28
61
56
71
17
50
107
4
32
40
26
22
45