5. Thrasamund's reign was longer than any other Vandal king in Africa other than his grandfather, Geiseric.

1. than any other Vandal king in Africa other than his grandfather, Geiseric.
   
   
2. than any other Vandal king in Africa other than his grandfather's reign, Geiseric.
   
   
3. than that of any other Vandal king in Africa except his grandfather, Geiseric.
   
   
4. than any Vandal king in Africa other than his grandfather, Geiseric.
   
   
5. than any other Vandal king in Africa except his grandfather, Geiseric.
   

Thrasamund's reign was longer than any other Vandal king in Africa other than his grandfather, Geiseric.

Grammar issue presented: comparison

-          The sentence compares the length of the reign of kings. 

This sentence contains faulty comparison because Thrasamund's reign is compared to any other Vandal king NOT to the reign of any other Vandal king.

Faulty

Thrasamund's reign

longer than –

any other Vandal king.

Correct

Thrasamund's reign

longer than –

the reign of any other Vandal king

1. than any other Vandal king in Africa other than his grandfather, Geiseric.
   Proper Comparison? NO
   Thrasamund's reign TO any other Vandal king 

2. than any other Vandal king in Africa other than his grandfather's reign, Geiseric.
   Proper Comparison? NO
   Thrasamund's reign TO any other Vandal king

3. than that of any other Vandal king in Africa except his grandfather, Geiseric.
   Proper Comparison? YES
   Thrasamund's reign TO that of any other Vandal king

4. than any Vandal king in Africa other than his grandfather, Geiseric.
   Proper Comparison? NO
   Thrasamund's reign TO any Vandal king

5. than any other Vandal king in Africa except his grandfather, Geiseric.
   Proper Comparison? NO
   Thrasamund's reign TO any other Vandal king

(C) is the only choice that properly compares the reign of Thrasamund to the reign of other kings.

Q.5 Hard

Q.6 Hard