Question

A shopkeeper sold two fans at rs 1980 each on first fan he had gain of 10% on second fan he had loss of 10 % calculate gain or loss percent on the whole transiction

Answer 1

sp of 1st fan=₹1980
g%=10%
cp=100/100+10×1980=₹1800
sp of 2nd fan=₹1980
l%=!10%
cp=100/100-10×1980=₹2200
total sp= 1980+1980=₹3960
total cp=1800+2200=₹4000
loss=cp-sp=4000-3960=40
l%=loss/cp×100=40/4000×100=1%

Answer 2

Answer:

Sp of 1st fan=₹1980

g%=10%

cp=100/100+10×1980=₹1800

sp of 2nd fan=₹1980

l%=!10%

cp=100/100-10×1980=₹2200

total sp= 1980+1980=₹3960

total cp=1800+2200=₹4000

loss=cp-sp=4000-3960=40

l%=loss/cp×100=40/4000×100=1%

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