unknown resistance(in ohm)=   
 
    151.  
 
 percent error when Q is taken positive(in %)=   
 
    0.5  
 
 error in ohm(in ohm)=   
 
    0.755  
 
 percent error when Q is taken negative(in %)=   
 
    1.5  
 
 error in ohm(in ohm)=   
 
    2.265