The sum of first 7 odd natural numbers is 49.

Answer

To find the sum of the first 7 odd natural numbers and verify that it equals 49, we can follow these steps:

### Step 1: Identify the first 7 odd natural numbers
The first 7 odd natural numbers are:
1, 3, 5, 7, 9, 11, 13

### Step 2: Write down the numbers
We can list the numbers clearly:
- 1
- 3
- 5
- 7
- 9
- 11
- 13

### Step 3: Add the numbers together
Now, we will add these numbers step by step:
- First, add 1 and 3:
\( 1 + 3 = 4 \)

- Next, add 5:
\( 4 + 5 = 9 \)

- Then, add 7:
\( 9 + 7 = 16 \)

- Now, add 9:
\( 16 + 9 = 25 \)

- Next, add 11:
\( 25 + 11 = 36 \)

- Finally, add 13:
\( 36 + 13 = 49 \)

### Step 4: Conclusion
The sum of the first 7 odd natural numbers is \( 49 \).