1.

A sum of ` 1550 was lent partly at 5% and partly at 8% p.a. simple interest.        The total interest received after 3 years was ` 300. The ratio of the money lent at 5% to that of lent at 8% is __.        

A.  5 : 8                            
B.  8 : 5                
C.         16 : 15            
D.         31 : 6                          
Answer» D.         31 : 6                          


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