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A lady buys goods worth Rs 200 from a shop
Difficulty Level

A lady buys goods worth Rs 200 from a shop (whose shopkeeper is selling the goods with zero profit). The lady gives him a Rs 1000 note. The shopkeeper gets the change from the next shop, keeps Rs 200 for himself, and returns Rs 800 to the lady.
Later the shopkeeper of the next shop comes with the Rs 1000 note saying "duplicate" and takes his money back. How much LOSS did the shopkeeper face?

A. 200
B. 800
C. 1200
D. 1800
E. 2000
F. 1600
G. Other

View Answer Comments(14)

This is a simple but really confusing puzzle. Lets decode it in the simple and understandable way.

Net Loss = (goods/money gone out of his hands in the transaction) - (goods/money he got in the transaction)

goods/money gone out of his hands in the transaction
a) goods worth Rs 200
b) Rs 800 which he paid to lady as balance
c) Rs 1000 (original Note) he gave to shopkeeper2 in exchange of fake note

goods/money he got in the transaction
a) The leftover Rs 200 change (First he got change for Rs 1000 from shopkeeper2 and gave Rs 800 to the lady and he is having remaining 200 with him)
b) Fake note of Rs 1000 ( No value)

Net Loss = (200 + 800 + 1000) - (200)
Net Loss = Rs: 1800

The shopkeeper is in a loss of Rs 1800 in this transaction.

Guest Said:Posted On 2017-05-17

initially i have 200 rs worth goods. 0 rs money in my hand after transaction with other shopkeeper I have 200 rs money in hand . then I have to give additional 800 Rs and gives total 1000 rs to shopkeeper. here my loss is 800+200 rs goods .Is it correct ?

Guest Said:Posted On 2017-04-03

net loss is actually 1000rs. The change of 1000 from next shop is also included into total money he got in transaction.

Guest Said:Posted On 2017-03-25

1800

Guest Said:Posted On 2016-10-12

G:other=1000

Guest Said:Posted On 2016-10-04

1800

Guest Said:Posted On 2016-09-27

2000

Chris Kittlitz Said:Posted On 2016-09-08

There are three transactions here.Customer <==> shopkeeper - customer gives bad Rs 1000 note to shopkeeper - shopkeeper gives goods worth Rs 200 to customer - shopkeeper gives change worth Rs 800 to customershopkeeper <==> shopkeeper2 - shopkeeper gives bad Rs 1000 note to shopkeeper2 - shopkeeper2 gives Rs 200 and Rs 800 to shopkeepershopkeeper <==> shopkeeper2 - shopkeeper2 gives bad Rs 1000 note back to shopkeeper - shopkeeper2 takes Rs 1000 from shopkeeperSo, lets review each actor:Shopkeeper2: - Lost Rs 200+800, gained bad Rs 1000 note - Lost bad Rs 1000 note, gained Rs 1000 Net: evenCustomer: - Gained goods worth Rs 200 - Gained Rs 800 - Lost bad Rs 1000 note Net: + Rs 1000 - bad noteShopkeeper - Lost goods worth Rs 200 - Lost Rs 800 - Gained bad Rs 1000 note - Lost bad Rs 1000 note - Gained Rs 200 - Gained Rs 800 - Lost Rs 1000 - Gained bad Rs 1000 note The last 6 bullets cancel eachother out Net: - Rs 1000 + bad note

Guest Said:Posted On 2016-09-07

1000 rs

Guest Said:Posted On 2016-08-01

the neighbour shopkeeper is only to confuse you. neighbour gave 1000 rs good notes and got it back. But the first shop keeper gave goods 200 and good notes 800.. so total loss is 1000.

Guest Said:Posted On 2016-07-24

Goods to lady = 200 Cash given to lady = 800 = 1000Less money kept for himself = 200= 800Return to next shop = 1000Net loose = 1800

Guest Said:Posted On 2016-06-20

Its only 1000

Guest Said:Posted On 2016-01-21

Its 1000

Guest Said:Posted On 2016-01-17

Here is another way to find the solution: use the property that the total value is constant.At the beginning, the shopkeeper has 200, the next shopkeeper has 1000 and the lady has nothing. Total: 1200. At the end, the next shopkeeper still has 1000, the lady has 800 (cash) plus 200 (goods). These two have therefore 2000. The shopkeeper must have -800 to keep the balance at 1200. At beginning, he add 200, so he lost 1000.

Guest Said:Posted On 2016-01-02

The answer seems to be wrong. You counted twice the 800 paid to the lady: in the first b) and in the brackets of the second a). The loss is actually 1000.

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