Skip to content / Đến nội dung
ThichHocToan.com

AMO 2027 Grades 8-9 SET 5 - Self-study Question 5

AMO · AMO 2027 Grades 8-9 SET 5 - Self-study

Question 5

If numbers are arranged in 3 rows A, B and C according to the following table, which row will contain the number 1000 ?

| | |
|---|---|
| A | $1,6,7,12,13,18,19,\ldots$ |
| B | $2,5,8,11,14,17,20,\ldots$ |
| C | $3,4,9,10,15,16,21,\ldots$ |