Rao buys a scooter for rs 22000,he pays rs 4000 cash and agress to pay the balance in annual installments of rs 1000+10% intrest on the unpaid amount.How much will the scooter cost him(in rs)

• given that,Rao buys a scooter for rs 22000
  and he pays rs 4000 cash at that time itself.
  
  remaining amount=18000 rupees
  
  
  on his next annual payment ,he pays 1000 +1800 rupees
  
  
  now remaining amount =17000 rupees
  
  so on next year , he pays 1000+1700 rupees
  
  this continues,
  .
  .
  .
  .
  
  and ends at 1000+100 rupees
  
  so in addition to 22000 rupees, he pays 100+200+.....+1800=(18/2)*(100+1800)=17100 rupees
  
  
  so the scooter costs him Rs22000 +Rs17100= Rs 39100
  
• 12 years agoHelpfull: Yes(2) No(0)