9,81,90,810,819,? | series Logical reasoning | WBCS

https://things-for-students.blogspot.com/2022/05/98190810819-series-logical-reasoning.html
Complete the series by finding the missing number from the given options. 9,81,90,810,819,? (a) 7371 (b) 900 (c) 8100 (d) 1638 Correct Answer: a Solution: 9*9=81 81+9=90 90*9=810 810+9=819 819*9=7371