3

Keep practicing — related questions

• 27 25 26 24 25 23...........
• 0 3 8 15 ?
• 5 , 6 , 8 , 11 , 12 , 14 , 17 , 18 , 20 , 23 , ?
• 1, 3, 7, 13, 21,?
• 1 6 5 12 9 18 13
• 0, 1, 3, 6, 13 ??
• 1, 2, 4, 7, 11, 16, 22, x
• 1,11,19,25,29,_