If 3 is added to each odd digit and 1 is subtracted from each even digit in the number 4815421, what will be the sum of the digits that are third from the left and third from the right in the new number thus formed?

This question is based on the five, three-digit numbers given below: (Left) 412 617 324 162 751 (Right) (Example: 697 - First digit = 6, second digit = 9 and third digit = 7) What will be the resultant if the second digit of the highest number is added to the first digit of the lowest number?

This question is based on the five three-digit numbers given below: (Left) 418 439 491 472 465 (Right) What will be the resultant if the third digit of the highest number is added to the third digit of the lowest number? (Note: All operations are performed from left to right.)