Q.

Assertion: Paint is applied on the iron articles.
Reason: To protect them from rain.

1 Both assertion and reason are correct and reason is the correct explanation of assertion.  
2 Both assertion and reason are correct, but reason is not the correct explanation of assertion.  
3 Assertion is true, but reason is false.  
4 Assertion is false, but reason is true  

Ans.

(3)

Iron articles are painted to prevent them from rusting, not just rain. Thus, assertion is true but reason is false.