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:
All triangles are compasses.
All squares are compasses.
Conclusions:
(I) Some triangles are squares.
(II) Some compasses are squares.

​Statements:
All triangles are compasses.
All squares are compasses.

​Conclusions:
(I) Some triangles are squares. (Not follow, as there is no any relation between triangle and square.)
(II) Some compasses are squares. (Follow, as All squares are compasses.)

So, ​Only conclusion (II) follows.

Thus, correct option is (b).