Comprehension Passage
Directions: Read the following information carefully and answer the questions that follow:
Zb, Fc, Eb, Cs, Gv, and Um are six employees working in a company. Zb is the most experienced among the employees. Gv is more experienced than only Eb. Three persons have experience more than Fc. More than three persons have less experience than Cs who has experience of 28 years.
If the third least experienced person have experience of 21 years what may be the experience of Um?
1
29 years
2
20 years
3
25 years
4
30 years
5
31 years