Step 1: Concept
String instruments are musical instruments that produce sound by vibrating strings when the player plucks, strums, or bows them. The number of strings can vary among different string instruments.
Step 2: Meaning
In this question, we need to identify which combination of instruments from the given options has exactly four strings.
Step 3: Analysis
Let's analyze each instrument mentioned in the options:
Veena: This is a traditional Indian musical instrument with multiple strings, but it typically has more than four strings.
Tanpura: This is also an Indian stringed instrument and usually has four strings.
Gottuvadyam: This is another name for the Tanpura, which again has four strings.
Violin: This Western string instrument commonly has four strings.
Saxophone: This is a wind instrument and does not have any strings.
From this analysis, we can see that both Tanpura (option B) and Violin (option C) are instruments with four strings. Therefore, the correct combination of options is C).
Step 4: Conclusion
Both Tanpura and Violin have four strings.
Final Answer: (C)