191 and then 420.
Assuming I got it right 67
21
choose one correct answer: 1, 3 , 11 , 67 , ?
67
91
91
100
The pattern rule for the sequence 97, 88, 78, 67 is that each number decreases by 9. Starting from 97, subtracting 9 gives 88; subtracting 9 from 88 results in 78, and subtracting 9 from 78 gives 67. Thus, the next number in the sequence would be 67 - 9 = 58.
16-7 + (4) = 29-16, 29-16 + (4)= 46-29, 46-29 + (4) = '67'-46
26.Add successive odd numbers to get the next number in the list:1+1=2, 2+3=5, 5+5=10, 10+7=17, 17+9=26. The number following 26 would be 37: 26+11=37.
The next number in the series is 67.
7+4=11 11+8=19 19+16=35 35+32=67 so the next no. is 67..............