7th Class
Mental Ability
Letters
Question Bank
Letter and Number Sequences
question_answer
How many 9s are there in the following number series, which are immediately preceded by 3 and followed by 6? 3 9 6 9 3 9 3 9 3 9 6 3 6 3 9 5 6 9 5 6 9 3 9 6 3 9