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:
1) Some lamps are bulbs.
2) All bulbs are tubes.
3) Some tubes are pipes.
Conclusions:
I. All bulbs are pipes.
II. At least some lamps are tubes.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2, i.e., only conclusion II follows.
Conclusions:
I. All bulbs are pipes → Does not follow (Not given direct relation between them.)
II. At least some lamps are tubes → Follows (Some lamps are bulbs, which are all tubes, so some part of the tube in the bulb comes in the lamp.)