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Peter sells two watches for Rs.198 each gaining 20% on one and losing 20% on the other. find his gain% and less % on the wholes

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Lass 5%

gain 5%

lass 4%

gain 4%

answer is C.

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Detailed Solution

Let two watches be a and b sell Rs. 198
Now,
Gain % of a =

Loss % of a =

First we have to calculate cost + price of a and b
Cp of a =

= Rs. 168
CP of a =

= Rs. 247.5
Now comparing total selling price to total
Cast price
Total SP = 198 × 2 ⇒ 396
Total CP = 168 + 247.5 = 412.5
Lass because cp greater than SP
Lass = 412.5 – 396
= Rs. 16.5
Loss% =

Loss% = 4%

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