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sattwik banerjee

· started a discussion

· 1 Months ago

if ans will be 450 (Question: 6144.0 )

6.25% loss. so loss=6.25% of 7200=450

Question:
A dealer sold two watches for \(\unicode{x20B9} \)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) 490
E) None of these.
Solution:

Its a common loss and gain type of a question and in such cases always a net loss is incurred.

 

Total loss =     2 x S.P     
                  (100/x)² - 1
               =    2 x 3600    
                  (100/25)2 – 1
               = 2 x 3600
                    16 – 1
               = 2 x 3600
                      15
               = 7200
                    15
                = \(\unicode{x20B9} \)480

kanhaiya jha

· commented

· 1 Months ago

hi, given answer is correct..please view detail solution by clicking report...
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