Question

Qs 3- A man sold two cows for Rs 3600 each. On one he had 25% profit and on the other he had a loss of 25%. Find his gain or loss % in the whole transaction.
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Answer 1

Step-by-step explanation:

let the cp of first cow be ₹x

then , x+x×25/100=3600

125x/100=3600

x=3600×100/125

x=₹2880

let the cp of second cow be ₹y

then , x-x×25/100=3600

75x/100=3600

x=3600×100/75=₹4800

total cp =₹(2880+4800)=₹7680

total sp=₹(3600+3600) =₹7200

loss=₹(760080-7200). =₹480

loss%=480×100/7680=6.25%