Two statements are given followed by two conclusions. You have to consider the statements to be true even if they seem to be at variance from the commonly known facts. You have to decide which of the given conclusions, if any follow from the given statements.
Statements:
No Bulb is a tube
Some tubes are rods
No rod is switch
Conclusion:
I. Some tubes are not switch
II. No bulb is a switch
Answer & explanation
Correct answer: option 1

Conclusion:
I : correct
II : As no information about bulb and switch given in the question, therefore this conclusion is incorrect.
Thus, Only conclusion I is follows