Question

20 sun
UTUU
A salesman purchased 11 articles for Rs. 10 and he sold 10 articles for Rs.11. What percent shall be
gain in that transaction?
1) 10%
2) 21%
3) 11%
4) 91%
11​

Answer 1

Answer:

2) 21%

Step-by-step explanation:

Given,

A salesman purchased 11 articles for Rs. 10

CP of 11 atricles is 10 rupees

CP of 1 article is 10/11

he sold 10 articles for Rs.11.

SP of 10 articles is 11 rupees

SP of 1 article is 11/10

Profit=((SP-CP)/CP)*100

Profit=((11/10-10/11)/10/11)*100

Profit=21%