A man has 50 mangoes and place the 50 mangoes like this the distance betn 1and 2 is 1 yard and the distance betn. 2&3 is 3yard and the distance betn. 3&4 is 5yard like this he increases the distance betn . mangoes in steps of two. after arranging them like that and if he start picking them up how much yard he has to walk. ??plz tll the approach

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Himanshu

  • Dec 7th, 2005
 

for 50th mango he has to walk 49^2

s=n/2(2*a+(n-1))

for 2nd mango

n=1

for 3rd mango

n=2

for 50th mango

n=49

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