If A : B = 3 : 2, then (3A – 2B): (2A – B) is equal to

The sum of three numbers is 116. The ratio of second to the third is 9 : 16 and the first to the third is 1 : 4 The second number is 

The ratio of the number of coins of 25 paise, 50 paise, Rs.2 and Rs.5 is 5 ∶ 4 ∶ 3 ∶ 1, respectively. If the total amount of the coins is Rs.285, then the difference between the number of 25 paise and Rs.5 coins is:

The Ratio of monthly incomes of Ram and shyam is 6:5 and their monthly expenditure are in the ratio of 4:3. If each of them save Rs. 800 per month, find the sum of their monthly incomes.

The ratio between the third proportional of 12 and 30 and mean proportional of 9 and 25 is

Two numbers are in the ratio of 5:6 and if 4 is added to the first number and 4 is subtracted from the second number then the ratio becomes 3:2. Find the difference between two numbers.

In a certain school, the ratio of boys to girls is 7 : 5. If there are 2400 students in the school, then how many girls are there?

The ratio of the number of boys and girls in a college is 6 : 7. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?