Question

a vender purchased bananas at 40 per dozen and sold at 10 for 36 find his gain or loss percent​

Answer 1

Hey buddy here is your answer

Cost price of each dozen = Rs 40

Then cost of 3 dozens = Rs 120

Selling price of 36 bananas = Rs 10

Then loss = Rs 110

Loss% = loss/CP * 100

          =(110/120)*100

          =91.66%

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Answer 2

Answer:

total gain=36-33.3=2.7

gain pecent=[2.7/36]100

=7.5%

Step-by-step explanation:

he bought banana for

1 dozen i.e. 12=  40

price of 1 banana when bought=

1  =  40/12

price of 1 banana=10/3=3.33

Now he sell banana for

10 banana   =   36

so price of 1 banana when sold=

1   =   36/10

i.e. price of 1 banana when sold= 3.6

So , clearly

price of 1 banana when bought<price of 1 banana when sold

3.33<3.6

i.e. he was in profit(gain)

Now,

price of 10 banana when baught=10[3.33]=33.3

as price of 1 banana when bought=3.33

vender sold at 10 for 36

So, total gain=36-33.3=2.7

gain pecent=[2.7/36]100

=7.5%