If p : q : r = 2 : 3 : 5, then what will be the ratio of (p + q + r) : (3p + q – r)?

 

In an army selection process, the ratio of selected to unselected was 3:1. If 80 less had applied and 40 less selected, the ratio of selected to unselected would have been 4:1. How many candidates had applied for the process?

In what ratio does the point T (3,0) divide the segment joining the points S (4,­2) and U (1,4)?

The third proportional of two numbers 9 and 24 is

The third proportional of two numbers 9 and 15 is

A profit of Rs. 960 is divided between A and B in the ratio 1/3:1/2. The difference of their profit is :

The bus fare between two cities is increased in the ratio 11:18. What would be the increase in the fare, if the original fare is Rs 550?

A bag has Rs12.9 in the form of 1 rupee, 50 paise and 10 paise coins in the ratio of 3:2:3. How many 50 paise coins are there in the bag?

x and y are two numbers such that their mean proportion is 9 and third proportion is 243. What is the value of x and y?