Relating to Real Life Mary went home with sadness on her face. She needed a help from a friend to answer the assigned task given by her teacher. Can you be a friend of Mary? You can help her in answering the task using the divisibility rules for 3, 6, and 9.
Below is the assigned task to Mary. 1. What digits can you place in the blank so that 564 8_3 is divisible by 3?
2. What is the biggest digit you can place in the blank so that 46 _52 is divisible by 6?
3. What digit can you place in the blank so that 1 3 is divisible by 9?
4. In 1033_2, what is the biggest digit you can put in the blank so that the number is divisible by 3, 6, and 9.
5. John has 45N chairs. What digit can replace N so that it is possible for him to arrange in rows of 3, 6, and 9 with no chairs left?
