Five different roads join a village to the nearby city. The number of Diff.ways in which person can go to the town and back is ?

ans: a)5 b)10 c)25

• 5c1*5c1=25
  
• 9 years agoHelpfull: Yes(10) No(1)
• c) 25
  
  For every one road person can goes to the town, there are 5 different ways to came back.
  So for such 5 roads, there are 5*5=25 different ways.
• 9 years agoHelpfull: Yes(2) No(0)
• since, the no. of roads=5 & the no. of cities = 2
  so, the no. of different ways= 5^2
• 9 years agoHelpfull: Yes(2) No(1)
• 5c1*5c1=25
• 9 years agoHelpfull: Yes(1) No(0)
• (c) 5*5=25
• 9 years agoHelpfull: Yes(0) No(0)
• 5c1*5c1=25
• 9 years agoHelpfull: Yes(0) No(0)
• by equating two functions n=r1+r2
  n=5+6=11
• 9 years agoHelpfull: Yes(0) No(6)