A sheet of paper has statements numbered from 1 to 20. For each value of n from 1 to 20, statements n says ‘At least n of the statements on this sheet are true.’ Which statements are true and which are false?
8) The odd numbered statements are true and the even numbered are false.
9) The first 13 statements are false and the rest are true.
10) The first 6 statements are true and the rest are false.
11) The even numbered statements are true and the odd numbered are false.

• answer is c because first 6 statements are true as assume n next 6 statements are false now start at first if at least 6 statements are true
  1 is match true true
  2 is match true true
  .
  .
  6 is match true true
  7 is match false now at least 7 statements are true this is false i.e false match in this way continuing
  
• 12 years agoHelpfull: Yes(1) No(3)