List of top Mathematics Questions on Ratio and Proportion

A bag contains 25-paise, 50-paise and 1-rupee coins in the ratio 4:2:5. If the total value of all the coins in the bag is Rs. 770, then find the value of all the 25 paise and 50 paise coins in the bag.
In a 600 m race, the ratio of the speeds of two participants A and B is 4:5. If A has a head start of 200 m, then the distance by which A wins is:
A mixture contains apple juice and water in the ratio 10 : x. When 36 litres of the mixture and 9 litres of water are mixed, the ratio of apple juice and water becomes 5 : 4. The value of x is:
Person 1 and Person 2 invest in three mutual funds A, B, and C. The amounts they invest in each of these mutual funds are given in the table.
Mutual fund A Mutual fund BMutual fund C
Person 1 ₹10,000₹20,000 ₹20,000 
Person 2₹20,000 ₹15,000 ₹15,000 

At the end of one year, the total amount that Person 1 gets is ₹500 more than Person 2. The annual rate of return for the mutual funds B and C is 15% each. What is the annual rate of return for the mutual fund A?
If \(7x : 63 = 1 : 9\), then \(x\) is
If \(9 : 15 : : 45 : x\), then the value of \(x\) is
If \(a : b = 3 : 4\) and \(b : c = 8 : 9\), then \(a : c\) is
If 15% of \(m = 20%\) of \(n\) then \(m : n\) is