if a sum of 9 is lent to be paid back in 10 equal monthly installments of rs1 each the rate of interest is?

• rate=13.33%
• 11 years agoHelpfull: Yes(5) No(2)
• (10/9)*100 =111.11 %
  so net increase = 11.11 %
• 11 years agoHelpfull: Yes(4) No(7)
• R=100*I/P*T
  R=(100*(10-9))/(9*(10/12))
  R=100*12/90
  R=40/3=13.33%
• 11 years agoHelpfull: Yes(3) No(3)
• 
  Here, z=Rs. 9, a=Rs. 1, b=12, n=10, R=?
  
  Using the formula
  
  z = na+(Ra/100b)*(n*(n-1)/2)
  after solving R=266 2/3%
  
  
• 11 years agoHelpfull: Yes(1) No(4)
• using si=p*r*t/100
  we get si=.075%
• 11 years agoHelpfull: Yes(0) No(10)