Question

A fruitseller buys some oranges at the rate of 4 for a rupee and an equal number at 5 for a rupee.
He sells the whole lot at 9 for two rupees. Find his gain or loss per cent.
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Answer 1

Answer: 4orange-----------1Rs

=>1 orange------1/4Rs-------(1)

5oranges---------1Rs

=>1 orange------1/5Rs-------(2)

CP=1/4+1/5=9/20

Now Let we have only 2 oranges

9 orange---------2Rs

1 orange-----------2/9Rs

Now we know that we have two orange so,

2/9*2=4/9=SP

Now,CP-SP=9/20-4/9=>1/180

Loss%=(1/180)/(9/20)* =>(20/180*9)*

=1.23%

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Answer 2

Answer:

Answer: 4orange-----------1Rs

=>1 orange------1/4Rs-------(1)

5oranges---------1Rs

=>1 orange------1/5Rs-------(2)

CP=1/4+1/5=9/20

Now Let we have only 2 oranges

9 orange---------2Rs

1 orange-----------2/9Rs

Now we know that we have two orange so,

2/9*2=4/9=SP

Now,CP-SP=9/20-4/9=>1/180

Loss%=(1/180)/(9/20)* =>(20/180*9)*

=1.23%

HOPE THIS ANSWER WAS HELPFUL FOR YOU

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Step-by-step explanation: