New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Read the following sentence to find out whether there is

    any grammatical mistake/error or idiomatic error in it. The error, if any, will be in one part of the sentence. Mark the number of that part with error as your answer. If there is no error, mark 'No error'. (Ignore errors of punctuation, if any)
    A With 75 billion Internet of Things (IoT) devices Correct Answer Incorrect Answer
    B expected to be in place by 2025, the world Correct Answer Incorrect Answer
    C is for the cusp of experiencing a technology that Correct Answer Incorrect Answer
    D will change the way we live today. Correct Answer Incorrect Answer
    E No error Correct Answer Incorrect Answer

    Solution

    Cusp - A point of transition between two different states. So, 'on' is the right preposition to be used in this context, as the sentence implies that a transition/change is underway. Option C is the right answer.

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