How many planets are there in the Solar System?
9
5
5
3
5
3
4
6
5
3
4
6
5
3
4
6
5
3
4
6
5
3
4
7
6
5
2
3
4
7
6
5
2
3
4
7
6
5
2
3
4
7
6
5
2
3
4
7
6
5
2
3
4
7
6
5
2
3
4
7
6
5
2
3
4
7
6
5
8
2
3
4
7
6
5
8
2
3
4
7
9
6
5
8
2
3
4
7
1
9
6
10
5
8
2
3
4
7
1
9
6
10
5
8
2
3
4
7
1
9
6
12
10
5
8
2
3
4
7
1
9
6
12
10
8
2
3
4
7
1
9
6
12
10
8
2
4
11
7
1
9
6
12
10
8
2
11
7
1
9
12
10
8
2
13
11
7
1
365
9
12
16
10
8
2
13
11
7
1
9
12
16
10
8
2
365
13
11
7
1
9
0
12
16
10
8
2
13
11
365
1
9
16
104
0
66
365
104
0
66
104