Select the most appropriate option that can substitute the underlined segment in the given sentence.
Rajiv helps his friends of solve real-life problems with several methods and approaches.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. helps his friends to solve.
Infinitives are used to indicate purpose of the verb.
Here, "to help" shows why or how someone is being assisted.
In this sentence, Rajiv is helping his friends with the aim of solving real-life problems.
So, saying "helps his friends to solve" is the correct way to express it.