The average weight of 6 men decreases by 3 kg when one of them weighing 80 kg is replaced by a new man . The weight of the new man is :
A) 56kg B) 58 kg C)62 kg D) 76 kg

• total weight decreased = 6*3= 18 kg
  new man weight = 80-18 =62 kg ans
• 7 years agoHelpfull: Yes(4) No(0)
• The ans is(c)62 kg.
  
• 10 years agoHelpfull: Yes(1) No(3)
• 80 - (6*3) = 62
• 7 years agoHelpfull: Yes(0) No(0)
• decrease in weight=6 men*3 kg of weight =18 kg
  new man weight= one person's weight given-decrease in weight=80-18=62
• 5 years agoHelpfull: Yes(0) No(0)
• Total Weight is 6*3 Kg = 18 Kg
  80 Kg is been replaced by some X Kg i..e, X = 80-18 => 62 Kg
  Option: C
• 5 years agoHelpfull: Yes(0) No(0)
• let the avg age of 6 persons is x,
  & the age of new person is n,
  so,atq,
  x-3=(6x+n-80)/6
  n=62
• 5 years agoHelpfull: Yes(0) No(0)