# If the ratio of the cost price and selling price of an article is 5:6

If the ratio of the cost price and selling price of an article is 5:6, the gain percent is

(a) 25%

(b) 30%

(c) 20%

(d) 33%

**Answer: (c) 20% **

**Solution:-**

If the ratio of the cost price and selling price of an article = 5: 6

Let the cost price & selling price of an article be = 5 X & 6 X

Then, Gain = 6 X – 5 X

= X

Percentage of gain = X x 100/5 X

= 100/5

= 20 %

Hence, the correct answer is option (c) 20%.