Correct Answer - Option 1 : 1007, 1005, 1003, 1002, 1000

**Given:**

1000, 1005, 1002, 1007, 1003.

**Concept used:**

When we arrange the numbers in order of largest to smallest is called descending order.

**Calculation:**

1000, 1005, 1002, 1007, 1003

Descending order = 1007, 1005, 1003, 1002, 1000

**∴ The descending order is 1007, 1005, 1003, 1002, 1000.**

**Ascending order: **When we arrange the numbers in order of smallest to greatest. This type of order of numbers is called an ascending order.

Example: 1, 2, 3, 4,

**Descending order: **When we arrange the numbers in order of greatest to smallest. This type of order of numbers is called a descending order.

Example: 4, 3, 2, 1.