Question

State whether ‘or’ used in the following statements is exclusive or inclusive.  

(i) Sun rises or moon sets 

(ii) To apply for a driving license, you should have a ration card or a pass port 

(iii) All integers are positive or negative

Answer 1

(i) Here ‘or’ is exclusive 

∵ ‘sun rises’ and ‘moon sets’ cannot be true simultaneously 

(ii) Here ‘or’ is inclusive 

∵ For license, one can have both ration card and a passport. 

(iii) Here ‘or’ is exclusive 

∵ Integer cannot be both positive as well as negative.