Explanation:

- The ratio of the first sum to the second sum is given as 7:8.

- If the first sum is 35, we need to find the second sum.

- Express the problem in equation form:

$$ \frac{\text{First Sum}}{\text{Second Sum}} = \frac{7}{8} $$

- Plug the given first sum into the equation:

$$ \frac{35}{\text{Second Sum}} = \frac{7}{8} $$

- To find the second sum, solve for it:

$$ \text{Second Sum} = \frac{35 \times 8}{7} = 40 $$

- Options provided:

- Option 1: 56

- Option 2: 40

- Option 3: 45

- Option 4: 44

- So, the correct answer is Option 2: 40.