Directions: Two Statements are given followed by Three conclusions numbered I, II and III. 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 blues are reds.
All greens are blues.
Conclusions:
I. No red is a blue.
II. No blue is a green.
III. No green is a red.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. None of the conclusions follow.
The least possible Venn diagram is shown below:
Conclusions:
I. No red is a blue - Does not follow. (As All blues are reds so, No red is a blue is not true.)
II. No blue is a green - Does not follow. (As All greens are blues so, No blue is a green is not true.)
III. No green is a red - Does not follow. (As All blues are reds and All greens are blues so, No green is a red is not true.)