If 3 is subtracted from the middle digit of each the following numbers and then the position of the digits are reversed, which of the following will be last digit of the middle number after they are arranged in descending order?
589 362 554 371 442
Explanation
Digit Puzzle: Final Digit of the Middle Number
? Given Numbers: 589, 362, 554, 371, 442
Step 1: Subtract 3 from the middle digit of each number
• 589 → 589 → 559 → 559
• 362 → 362 → 332 → 332
• 554 → 554 → 524 → 524
• 371 → 371 → 341 → 341
• 442 → 442 → 412 → 412
Step 2: Reverse the digits of each new number
• 559 → 955
• 332 → 233
• 524 → 425
• 341 → 143
• 412 → 214
Step 3: Arrange in descending order
955, 425, 233, 214, 143
Step 4: Pick the middle number
Middle number = 233
Step 5: Find the last digit
Last digit of 233 = 3
Final Answer: 3
Explanation
Digit Puzzle: Final Digit of the Middle Number
? Given Numbers: 589, 362, 554, 371, 442
Step 1: Subtract 3 from the middle digit of each number
• 589 → 589 → 559 → 559
• 362 → 362 → 332 → 332
• 554 → 554 → 524 → 524
• 371 → 371 → 341 → 341
• 442 → 442 → 412 → 412
Step 2: Reverse the digits of each new number
• 559 → 955
• 332 → 233
• 524 → 425
• 341 → 143
• 412 → 214
Step 3: Arrange in descending order
955, 425, 233, 214, 143
Step 4: Pick the middle number
Middle number = 233
Step 5: Find the last digit
Last digit of 233 = 3
Final Answer: 3