1.  Consider the following statements : 

Statement-I: Rainfall is one of the reasons for weathering of rocks. 

Statement-II: Rain water contains carbon dioxide in solution. 

Statement-III: Rain water contains atmospheric oxygen. 

Which one of the following is correct in respect of the above statements? 

           

   

           

 

           

 


1. A trader fixed the price of an article in such a way that by giving a rebate of 10% on the price fixed, he made a profit of 15%. If the cost of the article is Rs. 72, the price fixed on it, is (UPSC Prelims 2002 - Mental ability)


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