Latest CTS Aptitude Question SOLUTION: the egg vendor calls on his 1st customer and sells his half his eggs and half an egg.to the 2nd customer he sells half of what he had left and half an egg,and to the 3rd customer

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(#M40009644) CTS Numerical Ability question Keep an EYE

the egg vendor calls on his 1st customer and sells his half his eggs and half an egg.to the 2nd customer he sells half of what he had left and half an egg,and to the 3rd customer he sells half of what he had then left and half an egg.by the way he did not break any eggs.in the end 3 eggs were remainig.how many did he start out with?

Asked In CTS namrata paul (12 years ago)

Solved Vignesh Read Solution (7)

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Read Solution (7) :

Vignesh  (12 years ago)

He start out with 31eggs.

In the end, he have 3eggs left.
So,
3*2 +1= 7
7*2 +1= 15
15*2 +1= 31

31eggs he had initially.

Is this solution Helpfull? Yes (29) | No (3)  

abinaya  (12 years ago)

let initially the vendor has x no. of eggs
sold left with
1st customer (x/2)+(1/2) (x/2)-(1/2)=(x-1)/2
2nd (x-1)/4+(1/2) (x-1)/4-(1/2)=(x-3)/4
3rd (x-3)/8+(1/2) (x-3)/8-(1/2)=(x-7)/8

as finally he left with 3 eggs, (x-7)/8=3
therefore x=24+7=31

Is this solution Helpfull? Yes (9) | No   

saurabh gupta  (12 years ago)

31 IS THE ANS
31/2 + 1/2 =16 (1ST); 15 LEFT
15/2 + 1/2=8 (2nd); 7 LEFT
7/2 + 1/2=4 (3rd) ; 3 LEFT
total=31

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manudixit  (12 years ago)

24 eggs he had.

Is this solution Helpfull? Yes (3) | No (16)  

vineeth  (12 years ago)

i'm not sure i think its 31

Is this solution Helpfull? Yes (2) | No (5)  

Mani kandan  (10 years ago)

hi vignesh, how +1 will come? i.e.,3*2+1=7

Is this solution Helpfull? Yes (2) | No (1)  

Akshay Agrawal  (10 years ago)

ans is 24
24/2=12(1st customer)
12/2=6(2nd customer)
6/2=3(3rd customer)
so at last he had left 3 eggs
ans is 24

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