IMC 2004 Q3
3. Four of these numbers can make two pairs so that each pair adds up to 98 765. Which number is the odd one out?
- A 37 373
- B 45 678
- C 53 087
- D 61 392
- E 70 082
Intermediate Mathematical Challenge 2004, Question 3. © UK Mathematics Trust. Original paper on ukmt.org.uk
Answer: E 70 082
37 373 + 61 392 = 98 765 and 45 678 + 53 087 = 98 765.
Solution © UK Mathematics Trust, from the IMC 2004 solutions.