Question

A women sells to the first customer half her stock of apples and half an apple , to the second customer she sells half her remaining stock and half an apple , and so on to the third and to the fourth customer. She finds that she has now 15 apples left . How many apples did she have before she started selling?

Answer 1

At first she has 240 apples.She gives half of it i.e. 120 to the 1st customer.Remaining is 120.Then she gives half of it i.e. 60 to the 2nd customer.Remaining is 60 Then she gives half of it i.e. 30 to the third customer.Remaining is 30.Finally she gives 15 apples to the 4th customer.Now the remaining apples are 15.

Answer 2

Step-by-step explanation:

15/x = (1-1/2)⁴

15/x = 1/16

x = 240

total..... apple in the start

x+15

240+15 = 255