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. All jams are bands.
2. All bands are sacks.
3. No sack is a can.
Conclusions:
I. No jam is a can.
II. Some sacks are jams.

​Statements:
1. All jams are bands.
2. All bands are sacks.
3. No sack is a can.

​Conclusions:

I. No jam is a can. (True, there is no relation between jam and can).

II. Some sacks are jams. (True, all jams are bands and all bands are sacks, so that means some sacks are jams).

So, ​Both conclusions (I) and (II) follow.

Thus, correct option is (d).