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Bhaskar jami

· started a discussion

· 1 Months ago

wrong (Question: 152020.0 )

3600+3600= 7200

so 25*25/100=6.25%

then 6.25% of 7200 is 450


so 450 is the correct answer

also question no: 3

Question:
A dealer sold two watches for Rs.3,600 each, gaining 25% on one and losing 25% on another. How much he gain or loss in the whole transaction?
Options:
A) 460
B) 470
C) 480
D) None of these 
Solution:

Ans: (c) 

SP of first watch = Rs. 3600, gain = 25% 
CP of first watch = (100/125) x 3600 = Rs. 2880
SP of second watch = Rs. 3600, loss = 25%
CP of second watch = (100/75) x 3600 = Rs. 4800
Total CP = (2880 + 4800) = 7680 
Total SP = (3600 x 2) = Rs. 7200
Loss = (7680 - 7200) = Rs. 480
So, on the whole, there is a loss of Rs. 480


or 


DINESH

· commented

· 1 Months ago

Given answer is correct which is 480. You are calculating loss on 7200, which is the selling price. But you should know that loss or profit is calculated only on cost price.

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct,
According to Question
We find the loss
so, SP = 7200
loss = (25)^2 / 100 = 6.25%
CP = 7200 / ( 100 - 6.25 )%
CP = 7680
loss = 7680 x 6.25%
= 480

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