In the following questions, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentences is free from error, your answer is No Error
An idea was worth nothing if it has no champion.

Options

A. No error
B. if it has no champion
C. An idea
D. is worth nothing

Answer

D

Explanation

Here, Present Tense i.e. is worth nothing is the right usage. It is a general statement.