Question

A shopkeeper sells a gel pen with a profit of Rs. 10 and ball pen with Rs. 5 loss. One day he earned a profit of Rs. 200 by selling 30 gel pens and few ball pens. How many ball pens he sold on that day?

Answer 1

I hope it helps you .

Welcome .

Answer 2

Answer:

he used to sell 20 ball pens

Step-by-step explanation:

1 gel pen is 10

2 ball pen is loss of 5 so 10-5=5

3 so each ball pen is 5 rupees

4 he get 200 by selling 30 gel pens

5 so 30 gel pens each pen is 10 so 30 × 10 = 300

6 so ball pen is 5 rupees 5× 20 =100

7 so 300-100=200 finally he sell 20 ball pens