CAT Exam Numerical Ability Ratio and Proportion

The ratio of the cost prices of two articles A and B is 4:5.The articles are sold at a profit with their selling prices being in the ratio 5:6.If the profit on article A is half of its cost price,find the ratio of the profits on the articles A and B?

Read Solution (Total 1)

10/11

If Cps are 4x and 5x and sp are 5y and 6y, then
5y-4x = 4x/2
5y=6x
y= x*6/5= 1.2x

Ratio of profits = (5y-4x)/(6y-5x)= (6x-4x)/(7.2x- 5x)= 2/2.2 = 20/22 = 10/11
12 years agoHelpfull: Yes(8) No(2)

CAT Other Question

What is the smallest value of a for which (2100)*(a) is a perfect cube ? The speed of an engine is proportional to the square root of the number of wagons attached to it.Without any wagons attached to it the speed of the engine is 60 km/hr.With 16 wagons attached to it the speed of the engine is 40 km/hr.Find the maximum number of wagons that can be attached so that the train moves.