Who tried to invade the earth in the twenty-first century?

In the given sentence, identify the segment which contains the grammatical error. Our twenty-first century society expects all relevant information to simply be handing to us (a) Our twenty-first century society (b) handing to us (c) to simply be (d) expects all relevant information

Write in about 1000 words a fiction piece based on your speculation on the science and technology of the twenty-second century.

Write in about 1000 word a fiction piece based on your speculations on the science and technology of the twenty-second century.

Who was the founder of the Vakataka dynasty in the third century?

Who among the following set up the Atmiya Sabha in Calcutta in the first half of the nineteenth century ?

Who tried to classify the elements in terms of their common valency ?