There are 50 boxes and 50 persons. Person 1 keep 1 marble in every box. Person 2 keeps 2 marbles in every 2nd box, person 3 keeps 3 marbles in every third box. This process goes on till person 50 keep 50 marbles in the 50th box. Find the total no. Of marbles kept in the 50th box

• Answer: 93 marbles in 50th box
  here the factors of 50 are 1,2,5,10,25,50 so
  person with these numbers only end up keeping marbles in 50th box.
  In 50th box,
  Total marbles kept by 1st person = 1
  Total marbles kept by 2nd person = 2
  Total marbles kept by 5th person = 5
  Total marbles kept by 10th person = 10
  Total marbles kept by 25th person = 25
  Total marbles kept by 50th person = 50
  Hence total marbles in 50th box = 1+2+5+10+25+50 = 93 marbles
• 7 years agoHelpfull: Yes(17) No(0)
• Answer: 93 marbles in 50th box
  here the factors of 50 are 1,2,5,10,25,50 so
  person with these numbers only end up keeping marbles in 50th box.
  In 50th box,
  Total marbles kept by 1st person = 1
  Total marbles kept by 1st person = 2
  Total marbles kept by 1st person = 5
  Total marbles kept by 1st person = 10
  Total marbles kept by 1st person = 25
  Total marbles kept by 1st person = 50
  Hence total marbles in 50th box = 1+2+5+10+25+50 = 93 marbles
• 7 years agoHelpfull: Yes(4) No(2)
• 93 by getting the sum of factors of 50
• 7 years agoHelpfull: Yes(3) No(0)
• 93
  I added all the multiples of 50
• 5 years agoHelpfull: Yes(1) No(0)
• 1+2+3+4+............+50
  a=1
  d=2-1=1
  n=50
  sn=n/2(2a+(n-1).d)
  s50=50/2(2+49.1)
  s50=1275
• 4 years agoHelpfull: Yes(0) No(1)