Question

6) A vendor buys oranges at 9 for 10 and sells
them at 12 for 16. Find his gain per cent
(a) 15 (b) 20 (c) 18
(d) 25​

Answer 1

Answer:

hi

A vendor buys oranges at 9 for rs. 10

cost price of 9 oranges = 10

cost price of 1 orange = 10/9 = 1.11 rs

now,

he sells them at 12for rs.16

s.p  of 1 orange = 16/12 = 1.33 rs

now gain = sp - cp

                = 1.33 - 1.11

 

                  = 0.22

                     = 0.22 rs

now gain% = profit *100 /cp

                 = 0.22*100/1.11

   

                 = 22/1.11

                  = 19.81%

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Answer 2

Answer: 19.81%

Step-by-step explanation:

A vendor buys oranges at 9 for rs. 10

cost price of 9 oranges = 10

cost price of 1 orange = 10/9 = 1.11 rs

now,

he sells them at 12for rs.16

s.p  of 1 orange = 16/12 = 1.33 rs

now gain = sp - cp

               = 1.33 - 1.11

 

                 = 0.22

                    = 0.22 rs

now gain% = profit *100 /cp

                = 0.22*100/1.11

   

                = 22/1.11

                 = 19.81%

hope it helps u

:)