Choose the correct description of the number set.(4 points)

A. (-⅚ , ⅞ , π/2 )
B. (√2 , √5 , 𝛑 )
C. (-7.4, 0, 3.232323..., √25 )
D. (√8 , √9 , √10 )
1. rational numbers only
2. irrational numbers only
3. both rational and irrational numbers

The correct description of the number set is:

B. (√2 , √5 , 𝛑 ) - irrational numbers only