The ratio of prices of 2 dresses is 10 15 If the price of the first dress is increased by 10 and tha...........

Quantitative Aptitude ( CCS) Ratio, Proportion

The ratio of prices of 2 dresses is 10:15.If the price of the first dress is increased by 10% and that of the second dress by Rs.400 then the ratio of their prices is 4:7.What are the initial prices of the dresses ?

छोटे Courses बड़े Results

Master Ratio, Proportion

Prepare through Micro-courses

Try Now

Explanation:

Let the initial price of the dress = 10x and 15x
Price of the 1st dress after increment = 10x × (110/100) = 11x
Price of the 2nd dress after increment = 15x+400
[11x/(15x+400)] = 4/7
77x = 60x + 1600
17x = 1600
X = 1600/17 = 94.11 = 94