Question

Count each 1 in the following sequence of numbers that is immediately followed by 2, if 2 is not
immediately followed by 3. How many such l’s are there?
1 2 1 3 4 5 1 2 3 5 2 1 2 6 1 4 5 1 1 241 2 3 2 1 7 5 2 1 2 5
(1) 2
(2) 4
(3) 5
(4) 7​

Answer 1

Answer:

7 ........is the answer