Question 120
The cost price of 18 articles is equal to the selling price of 15 articles. The gain percent is
Solution
Let CP and SP be the cost price and selling price respectively of 1 article.
Given, 15SP=18CP
15SP=15CP +3CP
=>profit= 3CP as SP=CP + profit
gain%=$$\frac{\textrm{profit}}{\textrm{cost price}} \times 100$$%=$$\frac{3CP}{15CP} \times 100$$%
=20%
Get AI Help
Create a FREE account and get:
- Download RRB Study Material PDF
- 45+ RRB previous papers with solutions PDF
- 300+ Online RRB Tests for Free
