Solution

1. 2 marks
   • P(1) has elts 1:10
   • ...
   • P(10) has elts 91:100
2. 2 marks
   • P(1) has elts 1:91:10
   • ...
   • P(10) has elts 10:100:10
3. 2 marks
   • P(1) has elts 1:7
   • ...
   • P(14) has elts 92:98
   • P(15) has elts 99:100
   • P(16) has no elts
4. 2 marks
   • P(1) has elts 1:100:16
   • ...
   • P(15) has elts 15:100:16
   • P(16) has elts 16:100:16
5. 2 marks
   • P(1,1) has elts 1:7,1:100:16
   • P(1,2) has elts 1:7,2:100:16
   • ...
   • P(1,16) has elts 1:7,16:100:16
   • P(2,1) has elts 8:14,1:100:16
   • P(2,2) has elts 8:14,2:100:16
   • ...
   • P(15,1) has elts 99:100,1:100:16
   • P(15,2) has elts 99:100,2:100:16
   • P(16,:) has no elts
6. 2 marks
   • P(1) has elts 1:7,1:100
   • P(2) has elts 8:14,1:100
   • ...
   • P(15) has elts 99:100,1:100
   • P(16) has no elts