Question:If a man reduces the selling price of a fan from Rs. 400 to Rs. 380 his loss increases by 20%. The cost price of the fan is :
A Rs. 600
B Rs. 500
C Rs. 480
D None
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+ Answer
B
+ ExplanationLet C.P. be Rs. x.
Two losses are (x - 400) and (x - 380)
Increase in loss (x - 380) - (x - 400) = 20
`(20)/(x - 400) xx 100 = 20 => x - 400`
`= 100 => x = 500`