Abhishek start s to paint a f ence on o ne day. On the seco nd day, two mo re friend of
Abhishek joins him. On the thir d day 3 mo re fr iends of him jo in him and so on. If the
fenc e is c ompletely paint ed this way in exactly 20 day s, then find the number of ways
in whic h 10 girls painting together can paint the fence c ompletely. Given that every
girl can paint twice as fast as Abhishek and his friends (Boys)? (Assume that the
friends of Abhis hek are all boys)

• Boys,
  1/2[1+(1+2)+(1+2+3)+.....+(1+2+3...+20)] = 1440
  boys= 1/2 girls
  =1440/2 = 770
  770/10 = 77 days
  ANS: 77days
• 12 years agoHelpfull: Yes(3) No(3)
• @smruthi : plz tel me some ques.....some ex... if u cn den mail me
  sunnysapra2109@gmail.com
  tcs will be coming on tuesday in my college plz help me smruthi
  
• 12 years agoHelpfull: Yes(0) No(6)
• can anyone explain this????? tcs is coming on 25th this month in my clg
• 12 years agoHelpfull: Yes(0) No(2)