A woman sells to the first customer half her stock of apples and half an apple, to the second customer half an apple and half of her remaining stock and so also to a third and to a fourth customer. She finds that she has now 15 apples left. How man apple she had in first

• at last she had 15 apples.
  last person got 16 apples out of 31 apples she had earlier.
  2nd last person got 32 apples.
  so she had 63 apples earlier.
  First person got 64 apples.
  so in begining, she had 127 apples.
• 10 years agoHelpfull: Yes(1) No(0)
• left apples are:15
  we have 4 persons are here
  then at last person 15*2=30
  at 3rd person =30*2=60
  at 2nd person 60*2=120
  at 1st person 120*2=140
  but at every person she sold half an apple
  so 1/2 of 4=2
  140+2=140
• 10 years agoHelpfull: Yes(0) No(2)