Question 4
On the table, there are 6 coins each of the values 5, 10, and 50 dollars. Deni takes 75 dollars. The number of coins Deni takes is more than 5, but less than 9. Does Deni take all three types of coins? If not, which type does he not take?
IMSO 2004 Mathematics – Taiwan Second Round – Theoretical Examination Question 4
IMSO Maths · IMSO 2004 Mathematics – Taiwan Second Round – Theoretical Examination