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The Farmer
Thanks Jaks


Answer :

Number of apples = 15

Solution :
Initially he has X
First Toll he has to give (x+1)/2 <= x/2 + 1/2 ( Remaining x-(x+1)/2= (x-1)/2)
Second ... (x+1)/4 <= ( (x-1)/2 - ((x-1)/4 + 1/2) )
Third (x+1)/8
Fourth (x+1)/16
So (x+1)/2 + (x+1)/4 + (x+1)/8 + (x+1)/16 = x
=> x = 15


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