Which one of the following has inductive, mesomeric and hyperconjugation effect?

Which of the following group has the maximum hyperconjugation effect ?

Which of the following group has the maximum hyperconjugation effect ?

In which of the following molecules all the effects namely inductive, mesomeric and hyperconjugation operate?

In which of the following all electronic effects namely inductive, mesomeric and hyperconjugative effects are present?