Choose the correct word or phrase 1.Amir is a lot tall/taller

Choose the correct word or phrase
1.Amir is a lot tall/taller than Henry.
2.This pair of jeans is skinnier/more skinny than my other pair .
3.We're twins,but my brother is 20 minutes older than/from me.
4.Inkar is very fashionable/more fashionable and i like her style .
5.Clothing was more casual/casual in the 1960s than in the 1920s.
6.Diana is fast/faster at getting dressed in the morning than her brother.