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IMSO 2009 Mathematics — Taiwan Second Round Short Answer (20 Questions) Question 1

IMSO Maths · IMSO 2009 Mathematics — Taiwan Second Round Short Answer (20 Questions)

Question 1

**General instructions.** Short Answer: there are 20 questions, fill in the correct answers in the space provided after each question. Each correct answer is worth 2 points. Time limit: 60 minutes.

Henry was given a certain number to multiply by 507, but he placed the first figure of his product by 5 below the second figure from the right instead of below the third. The result of Henry’s mistake was that his answer was wrong by 382050. What was the multiplicand?