In the question, two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I : No books are notebooks. Statement II : All diaries are books. Conclusion I : No notebooks are diaries. Conclusion II : All diaries are notebooks. Correct Answer Only conclusion I follows. [ alt="SSC CHSL 05 March 2018 Shift1 Neeta LR 25Q hrev 3" src="//storage.googleapis.com/tb-img/production/18/12/SSC_CHSL_05_March_2018_Shift1_Neeta_LR_25Q_hrev%203.PNG"> Conclusion I: No notebooks are diaries → True, as no books are notebooks and all diaries are books. Conclusion II: All diaries are notebooks → False, as no books are notebooks and all diaries are books. Hence, ‘only conclusion I follows’.