Ratio & Proportion, Alligation or Mixture

If A : B = 3 : 4, C : B = 5 : 4, C : D = 10 : 9 then A : B : C : D is -

Tea worth tk.126 per kg and Tk.135 per kg are mixed with a third variety in the ratio 1:1:2. If the mixture is worth Tk.153 per kg, The price of third variety per kg will be:

The present ages of John and Mary are In the ratio of 6 : 4. Five years ago their ages were in the ratio of 5 : 3. How old is John now?

Kalam bought two varieties of rice, costing Tk. 50/kg and Tk. 60/kg each, and mixed them in some ratio. Then he sold the mixture at Tk. 70/kg. Making a profit of 20%. What was the ratio of the mixture?

A, B, C enter into partnership. A invests 3 times as much as B invests and B invests two third of what C invests. At the end of the year, profit earned is TK. 6600. What is the share of B?

P and Q started a business investing Tk 85000 and Tk 15000 respectively. In what ratio the profit earned after 2 years be divided between P and Q respectively?

The ratio of milk and water in a pot is 5:2. If the quantity of milk is 6 litre more than quantity of water, then what is the quantity of milk in the pot in litre?

The ratio of the cost of two articles is 7 : 3 . The first one was sold at a loss of 20% and the second one was sold at a gain of 40% What is the overall percentage of gain/loss?

A dog takes 3 leaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is:

100kg of solution A is mixed with 60kg of solution B. If solution A has tin and copper in the ratio 1 : 4 and solution B has lead and tin in the ratio 3 : 2, then what is the amount of tin in the new solution?

5 years ago the ratio of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his son's age. What is the ratio of their present age?

A jar contains milk and water in the ratio 5 : 1. If the quantity of milk is more than that of water by 8 liters, then what is the quantity of water?

Find the ratio of purchase price to sell price if there is loss of 12.5%?

If 2A = 3B = 4C, Than, A : B : C is.

If a : b = 4 : 7 and b : c = 5 : 6 than a : b : c = ?

Three boys have marbles in the ratio of 19 : 5 : 3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?

An amount of Tk. 735 was divided between A, B and C. If each of them had received Tk. 25 less, their shares would have been in the ratio of 1 : 3 : 2. The money received by C was : 

In a mixture of 50 liters milk and water are in the ratio of 3 : 2. How much water should be added to the mixture to make the ratio of the two equal?

The ratio of the speeds of a train and a man 6 : 1 . The length of the train is 650 m and crosses a pole in 1 minute 5 seconds. In how much time will the man cross the 240 m long platform?

Babu bought two varieties of pulse, costing Tk. 50 and Tk. 60 per Kg. each, and mixed them in some ratio. He then sold the mixture at Tk. 70 per kg., making a profit of 20 percent. What was the ratio of the mixture?