Question

If 2 is substracted each odd digit and 1 is added to each even digit in the number 83252769, how many digits will occur more than once in the new number thus formed?

• A. Three
• B. None
• C. Two
• D. One

Answer 1

Answer:

C. Two

2 is substracted each odd digit and 1 is added to each even digit in the number 83252769. 8 3 2 5 2 7 6 9 9 1 3 4 3 5 7 7 digits will occur more than once in the new number thus formed is two.