Q:
      
      
         
            
Simple interest on a certain sum is 16/25 of the sum. Find the rate percent and time, If both are numerically equal.
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: B)  Rate = 8% and Time = 8 years.         
         
Explanation: Let sum = X. Then S.I = 16x/25
 
Let rate = R% and Time = R years.
 
Therefore,  (x * R * R)/100 = 16x/25   =>  R = 40/5 = 8
 
Therefore, Rate = 8% and Time = 8 years.
       
      
      
      
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