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The problem is asking how many ways six people, including the bride and groom, can be arranged in a row, with the condition that the bride must always be next to the groom.

### Solution:
1. **Treat the Bride and Groom as a Single Unit**: 
   Since the bride and groom must be next to each other, we can treat them as a single "block" or unit for now. This reduces the problem to arranging 5 units: the "bride-groom" block plus the four other people.

2. **Arrange the 5 Units**: 
   There are 5! (factorial of 5) ways to arrange 5 units.
   \[
   5! = 5 \times 4 \times 3 \times 2 \times 1 = 120
   \]

3. **Arrange the Bride and Groom within Their Block**:
   Inside the "bride-groom" block, the bride and groom can be arranged in 2 ways: either the bride is on the left and the groom on the right, or the groom is on the left and the bride on the right.
   \[
   2! = 2
   \]

4. **Total Number of Arrangements**:
   To find the total number of ways to arrange the 6 people, multiply the number of ways to arrange the 5 units by the number of ways to arrange the bride and groom within their block.
   \[
   \text{Total arrangements} = 5! \times 2 = 120 \times 2 = 240
   \]

### Answer:
The correct answer is **(a) 240**.

Would you like more details or have any questions?

Here are some related questions to expand your understanding:
1. How many ways can 7 people be arranged in a row if two specific people must sit next to each other?
2. What is the total number of ways to arrange 5 people if no restrictions are applied?
3. How would the answer change if the bride and groom must be at opposite ends of the row?
4. How many ways can 8 people be arranged in a circle if two people must sit next to each other?
5. How does the formula change if we consider only distinct people, with no restrictions?

**Tip**: When solving permutation problems with constraints, grouping items together and treating them as a single unit simplifies the calculations.

In how many ways can a photographer at a wedding arrange six people in a row including the bride and groom if the bride must be next to the groom?

Learn how to calculate the number of ways to arrange six people, including the bride and groom, in a row where the bride must be next to the groom. This problem involves using permutation principles and factorial calculations. Suitable for students in Grades 9-11.

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