If the division N ÷ 2 leaves no remainder (i.e, zero remainder), what might be the one’s digit of N?
∵ Remainder = 0
∴ one's digit can be 0, 2, 4, 6 or 8
Suppose that the division N ÷ 5 leaves a remainder of 4 and the division N ÷ 2 leaves a remainder of 1. What must be the one’s digit of N?
Check the divisibility of the following number by 9.
1. 108 2. 616 3. 294
4. 432 5. 927