General Studies · Series Completion

Consider the following string which is made up of numbers from 0 to 9. How many times does the digit '9' appear at an odd-numbered position (1st, 3rd, 5th, etc. place from the left)? 2 1 1 3 1 2 5 3 8 8 2 0 4 3 6 9 5 4 9 6 3 3 5 7 5 3 3 3 3