the simple inetrest on a sum of money is 8/25 of the sum.if the no of years is numericlly half the rate percent per annum,then the rate % per annum is

• P= principalc amount
  R=rate
  T=time
  
  as we know SI = (P*R*T)/100
  
  here given that SI= (8/25)*P
  
  also T/2=R
  
  substituting value of T=2R in equation we get
  
  (8/25)*P = (P*2R*R)/100
  
  solving above we get R*R=16
  
  hence R=4%
• 7 years agoHelpfull: Yes(0) No(5)
• SI= P*R*T
  T=R/2
  SI=P*(R/2)*R/100
  Put given values SI=8 and P=25
  8=25*(R/2)*R/100
  8=25*(R)square/200
  (8*200)/25 = ( R )square
  8*8= ( R )square
  8= R Answer.
• 2 years agoHelpfull: Yes(0) No(0)