The correct option is C 3125 , 120
we have to make words using the 5 letters, R, A, H, U, L.
1. If repetition is allowed - Here all the 5 letters can be repeated and can take all the 5 places.
Therefore,
Total no. of words that can be formed =
_ _ _ _ _
↑ ↑ ↑ ↑ ↑
5×5×5×5×5 = 3125 ways
2. If repetition is not allowed - Here no letter can be repeated after it has filled one of the 5 places.
Therefore, total no. of words that can be formed =
_ _ _ _ _
↑ ↑ ↑ ↑ ↑
5×4×3×2×1 = 120 ways
hence, the correct option is
C ( 3125, 120)