Question

A shop keeper sold two tv sets at ₹9900 each. he sold one at a profit of 10% and the other at a loss of 10%. on the whole whenever he gets profit or loss if so what is its percentage​

Answer 1

Step-by-step explanation:

Let the cost of first tv be x

then, the cost of second tv be (9900-x)

A/C to question,

x× (100-10/100)=(9900-x)×(100+10/100)

x × 90/100 =(9900-x)×110/100

90x/100= 1089000-110x/100

90x=1089000-110x

90x+110x= 1089000

200x=1089000

x=1089000/200

x=5445

Hence, the cost price of first tv = ₹ 5445

and the cost price of second tv

=₹9900-5445

=₹4455