Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
No bank is an office.
All offices are stalls.
Conclusions:
I. No bank is a stall.
II. No stall is a bank.
III. Some stalls are offices.
IV. All the stalls are offices.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. Only Conclusion III follows
The least possible Venn diagram for the given statements is shown below:
Conclusions:
I. No bank is a stall → False (It is possible but not definite)
II. No stall is a bank → False (It is possible but not definite)
III. Some stalls are offices → True (As it is given that all offices are stalls so, some stalls are definitely offices)
IV. All the stalls are offices → False (It is possible but not definite)
Hence, Only conclusion III follows.