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 tanks are figs.
2. No eagles are tanks.
3. Some mugs are eagles.
Conclusions:
I. Some figs are not eagles.
II. Some mugs are not tanks.

​Statements:
1. All tanks are figs.
2. No eagles are tanks.
3. Some mugs are eagles.

​Conclusions:
I. Some figs are not eagles. (True, some fig which are tanks  are not eagles clearly given)
II. Some mugs are not tanks. (True - some mug which are eagles are not tanks clearly can see)

So, Both conclusion I and II follows.

Thus, correct option is (b).