The average weight of 29 students of 50 balls is 2 lbs. If the weight of the container be included, the average weight will increase by 0.05 lbs. The weight of the container is :

a. 4.55 lbs.
b. 2.2 lbs.
c. 2.3 lbs.
d. 2.5 lbs.

• ATQ.
  29×50×2=2900
  Let container weight be x.
  Than total weight/total balls =(2900+x)/50
  We get 58+x/50
  It is given av. Weight is increased by 0.05 so
  x/50 is increased weight so
  x/50=0.05
  2.5 Ibs answer
• 6 years agoHelpfull: Yes(0) No(0)
• Dont confuse with 29 students. Its extra information which is not required in this question.
  50*2 .05 -50*2 =104.55-100 = 4.55lbs
• 6 years agoHelpfull: Yes(0) No(1)