[amp_mcq option1=”F” option2=”G” option3=”H” option4=”I” correct=”option1″]
The correct answer is $\boxed{\text{I}}$.
The sequence is formed by taking the next letter in the alphabet, three places after the previous letter.
- R
- U (3 places after R is U)
- X (3 places after U is X)
- A (3 places after X is A)
- D (3 places after A is D)
- I (3 places after D is I)