$$3\times7=21$$, start from the $$3^{}\rm{rd}$$  $$14\times7=98$$, end at the $$14^{}\rm{th}$$  Thus, the number of term remain: $$14-2=12$$ 
How many multiples of $$7$$ are between $$20$$ and $$100$$? 
Options:
  $$10$$ 
  $$11$$ 
  $$12$$ 
  $$13$$ 
  $$14$$ 