Question

A student buys a pen for Rs 90 and sells it for Rs100

Find his gain and gain percent ​

Answer 1

Answer:

For student :

Cost price of pen=Rs. 90

Selling price of pen=Rs. 100

Since, SP>CP.

Hence,

Gain=SP−CP=100−90=Rs. 10

So,

Gain(%)=

CP

gain

×100=

90

10

×100=11

9

1

Answer 2

Answer:

refer the attachment mate