a owes B rs.50. he agrees to pay b over a consecutive days starting from monday paying single note of rs.10 or rs.20 on each day. in how many different ways can a repay B

• 10,20,20
  20,10,20
  20,20,10
  10,10,10,20
  10,10,20,10
  10,20,10,10
  20,10,10,10
  10,10,10,10,10
  so total ways is 8
• 9 years agoHelpfull: Yes(1) No(0)