Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.  Statements: All heads are tails. All tails are bones.  Conclusions: I. All bones are heads. II. All heads are bones.

Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.  Statements: All heads are tails. All tails are bones.  Conclusions: I. All bones are heads. II. All heads are bones. Correct Answer Only conclusion II follows.

Statements:

All heads are tails.

All tails are bones. 

The least possible diagram for the given statements is as follows

[ alt="F2 Savita SSC 21-3-22 D24" src="//storage.googleapis.com/tb-img/production/22/03/F2_Savita%20SSC__21-3-22_D24.png" style="width: 184px; height: 129px;">

Conclusions:

I. All bones are heads → False (It is possible but not definite)

II. All heads are bones → True (Because all heads are tails and all tails are bones so all heads are definitely bones)

Hence, “Only conclusion II follows” is the correct answer.

Bissoy MCQ

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