Question

Plz answer this question..​

Answer 1

Let CP of 9 articles = SP of 11 articles = Re 1

∴ CP of 1 article = Re.

9

1

SP of 1 article = Re.

11

1

∴Loss=Re(

9

1

−

11

1

)=

99

2

and

Loss % =

CP

Loss

×100

1/9

99

2

×=18

11

2

Answer 2

Answer:

>> sp = cp × ( 100 - loss%) / 100

>> 9 = 9 hence, verified