In each of the following questions, two/four statements are given followed by two/four conclusions I, II, III and IV. You have to consider the statements to be true even it they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
Statements :
1. All metals are silver.
2. All silver are diamond.
3. Some diamonds are gold.
4. Some gold are marbles.
Conclusions:
I. Some gold are metals.
II. All metals are diamond.
III. Some silver are marble.
IV. Some gold are silver.

Options

A. Only conclusion I follows.
B. Only conclusion II follows.
C. Only conclusion III follows.
D. Only conclusion IV follows.

Answer

B

Explanation

(i) All apples are bananas `to` Universal Affirmative (A-type).
(ii) Some apples are sweet `to` Particular Affirmative (I - type).
(iii) No apple is banana `to` Universal Negative (E - type)
(iv) Some apples are not bananas `to` Particular Negative (O-type)

`A + A rArr A`- type of Conclusion
"All metals are diamond".
This is Conclusion II.