Question

Mohit is a fast bowler , other bowlers are not so fast (use faster)

Answer 1

no any other bowler is faster than mohit

Answer 2

Hi dear friend,here is your answer

Here in the sentence the degree of adjective is in positive.So according to the degree of adjective the sentence will be changed.

Adjective-Fast
 
Positive   Comparitive   Superlative
Fast          Faster              Fastest

So here we are changing  the word fast to faster.Here we apply comparitive degree.

Mohit is a fast bowler as other bowlers are not as faster as him.

Hope it helped you