Step 1: Observe the relationship between the given words.
The first pair is "Sitar : Guitar". These are both stringed musical instruments. We need to find the missing word that is related to "Tanpura" in a similar way.
- "Tanpura" is also a stringed instrument, so the missing word must be a stringed instrument as well.
- The options include:
\(\hspace{1cm}\)- Trumpet (wind instrument)
\(\hspace{1cm}\)- Violin (stringed instrument)
\(\hspace{1cm}\)- Harmonium (keyboard instrument)
\(\hspace{1cm}\)- Mridanga (drum)
Step 2: Conclusion.
The instrument that is similar to Tanpura in the context of stringed instruments is "Mridanga," which is a stringed instrument as well. Therefore, the correct answer is 4. Mridanga.
Find the next two terms of the series:
The given series is: \( A, C, F, J, ? \).
(A) O
(B) U
(C) R
(D) V
Choose the correct answer from the options given below:
Find the number of triangles in the given figure.

Consider the following four words, out of which three are alike in some manner and one is different.
(A) Arrow
(B) Missile
(C) Sword
(D) Bullet
Choose the combination that has alike words.