Question : Choose the correct answer of the phrase
No avail
Option 1: Cause of trouble
Option 2: Very nervous
Option 3: To reveal a secret
Option 4: Without any result
Correct Answer: Without any result
Solution : Option 4 is the correct answer
No avail is a phrase which means If you do something but you don't get the desired result or success.
eg:
He did a lot of hard work but his efforts were of no avail.