Write a digit in the blank space of each of the following numbers so that the number formed is divisible by 11 : (a) 92_389                 (b) 8_9484

Explanation

To solve the problem of finding a digit to fill in the blanks so that the numbers are divisible by 11, we will follow the divisibility rule for 11. This rule states that a number is divisible by 11 if the difference between the sum of the digits in the odd positions and the sum of the digits in the even positions is either 0 or divisible by 11.

### Part (a): 92_389

1. **Identify the positions of the digits**:
- Odd positions: 1st (9), 3rd (_), 5th (3)
- Even positions: 2nd (2), 4th (8), 6th (9)

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