A shopkeeper allows a discount of 10% to his customers and still gains. 20%. Find the marked price of the article which costs 450.
CP = 450
MP = x
SP = 0.9x
gain = 20% = $$\frac{SP-CP}{CP}$$
0.2 = $$\frac{0.9x - 450}{450}$$
x= 600
Create a FREE account and get:
Day-wise Structured & Planned Preparation Guide
By proceeding you agree to create your account
Free CAT Schedule PDF will be sent to your email address soon !!!
