Find out whether there is any grammatical error in below sentence. What is needed today is / a new breed of managers / with a new set of concepts / and a flexible way about thinking.

The correct answer is: E. No error.

The sentence is grammatically correct. It is a complex sentence with three independent clauses:

1. What is needed today is a new breed of managers.
2. These managers have a new set of concepts.
3. They also have a flexible way about thinking.

The three clauses are joined by the coordinating conjunctions “and” and “also.” The sentence is clear and easy to understand.