English listening/Arrange the sentence#shorts

In how many ways can the letters of the English alphabet be arranged so that there are seven letters between the letters A and B ?

Re-Ordering Of Sentences|Re-Arrange Jumbled Sentences

Identify the segment in the sentence. Which contain the grammatical error. If the sentence has no error then select 'no error'. Sh! Someone listens to our conversation.

Identify the segment in the sentence. Which contain the grammatical error. Nobody has ever listened to me so attentive

In how many can the lettes in English alphabet be arranged, so that there are 7 letters between the letters a and b.

Arrange the following words as per the English dictionary and find the last word. Leaf Less last word.