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  9. Q8

RRB Group D (Level-1 posts) 2018 · Question 8 of 96

Read the given statements and the following conclusions carefully and select which of the conclusions logically follow(s) from the statements. Statement: • All emerald are gems. • All gems are rocks. Conclusions: 1. All emeralds are rocks. 2. All rocks are emerald.

  1. AOnly conclusion 2 follows.
  2. BNo conclusions follow.
  3. CAll the conclusions follow.
  4. DOnly conclusion 1 follows.Correct

Answer: D. Only conclusion 1 follows.

Explanation

From venn diagram, we can clearly see that statement All emeralds are rocks follow according to the statement. But All rocks are emerald doesn't follow according to the statement. So Only conclusion 1 follows will be the correct answer.

Source: Solved RRB Group-D 23rd Sep 2018 Shift-2 Paper with Solutions (EduRev) · reliable-secondary

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