The squares of which of the following would be odd numbers?(i) 431                 (ii) 2826                 (iii) 7779              (iv) 82004

Explanation

To determine which of the given numbers will yield an odd square, we need to understand the relationship between odd and even numbers:

1. The square of an **odd number** is always **odd**.
2. The square of an **even number** is always **even**.

Now, let's analyze each of the given numbers step by step:

### Step 1: Identify whether each number is odd or even.
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