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 conclusion(s) logically follow(s) from the statements.
Statements:
1. All bears are cats.
2. All cats are pandas.
3. Some bears are tigers.
Conclusions:
I. Some tigers are cats.
II. Some pandas are bears.​​

​Statements:
1. All bears are cats.
2. All cats are pandas.
3. Some bears are tigers.

​Conclusions:

I. Some tigers are cats. (True, some bears are tigers and all bears are cats, so that means some tigers are also cats).
II. Some pandas are bears. (True, all bears are pandas shown in diagram, so that means some pandas are bears is definitely true).

So, ​Both conclusions I and II follows.

Thus, correct option is (d).