This consolation was only efficacious upon a very small number; but of what importance was it to Monk?
Of what importance is the manner, monsieur, in which I have learnt what I know, so that I know it?
Of what importance is it that our predecessors were not so ready as we are in improvising a discussion on great social and political questions, if they nevertheless organized and founded such admirable institutions?
Of what importance, then, is the materiality of the punishment?
Of what importance was it to him to learn, how Reb Carpel Sachs had received the old friend of his youth with warm affection?
Of what importance to him was it to learn, how Rabbi Mosche in that same night had taken flight with his daughter, to escape the avenging hands of human justice?
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "what importance" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.