UGC NET Logical Reasoning Q17

Question

Given below are two premises (a) and (b). Four conclusions are drawn from them. Select the code that states validity drawn conclusion (s) [taking the premises individually or jointly].
Premises:
(a) All diamonds are precious stones.
(b) Some carbon compounds are diamonds.
Conclusions:
(i) All precious stones and diamonds.
(ii) Some non-carbon compounds are precious stones.
(iii) All precious stones are carbon compounds.
(iv) Some carbon compounds are precious stones.

Accepted Answer

(ii) and (iv)