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Practice Ratio Questions and Answers

A bag contains notes of Rs.10, Rs.20, and Rs.50 in the ratio of 1:3:5. If the total value of money in the bag is Rs.1920, find the number of Rs.20 notes.
The ratio between the length and breadth of a rectangular board is 7:5. If the breadth of the board is 20.5cm, find the length in cm.
If the base radius of 2 cylinders are in the ratio 3 : 4 and their heights are in the ratio 4 : 9, then the ratio of their volumes is:
The ratio of the number of boys to the number of girls in a school of 640 students, is 5 : 3. If 30 more girls are admitted in the school, then how many mo...
The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common tang...
A right prism has a square base with side of base 4 cm and the height of prism is 9 cm. The prism is cut in three parts of equal heights by two planes para...
Radius of base of a hollow cone is 8 cm and its height is 15 cm. A sphere of largest radius is put inside the cone. What is the ratio of radius of base of ...
Solution A contains 10% acid and solution B contains 30% acid. In what ratio should solution A be mixed with Solution B to obtain a mixture with 25% acid?
In what ratio should coffee powder costing Rs 2500/kg be mixed with coffee powder costing Rs 1500/kg so that the cost of the mixture is Rs 2250/kg?
The entry ticket at a fun park was increased in the ratio 7 : 9, due to which footfalls fell in the ratio 13 : 11. What is the new daily collection (in Rs)...
If 6A = 4B = 9C; What is A : B : C?
If 50 less had applied and 25 less selected, the ratio of selected to unselected would have been 9 : 4. So how many candidates had applied if the ratio of ...
A and B are solutions of acid and water. The ratios of water and acid in A and B are 4:5 and 1:2, respectively. If x litres of A is mixed with y Lit...
The monthly incomes of A and B are in the ratio 3:5 and the ratio of their savings is 2:3. If the income of B is equal to three times the savings of A. the...
If the SP of book is 5 times of the discount. If percentage discount and percentage profit is equal. Then find the ratio of discount and CP?
A is thrice as efficient as B and C is twice as efficient as B. What is the ratio of number of days taken by A, B and C when they work individually?
49 Kg of blended tea contain Assam and Darjeeling tea in the ratio 5 : 2. Then the quantity of Darjeeling tea is to be added to the mixture to make the rat...
Among 132 examinees of a certain school, the ratio of successful to unsuccessful students is 9 : 2, Had 4 more students passed, then the ratio of successfu...
Ina regiment the ratio between the number of officers to soldiers was 3 : 31 before battle. In a battle 6 officers and 22 soldiers were killed and the rati...
Three containers have their volumes in the ratio 3 : 4: 5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio of...
In what proportion must a grocer mix sugar at Rs.12 a kg and Rs.7 a kg so as to make a mixture worth Rs.8 a kg ?
4%of the selling price of an article is equal to 5% of its cost price. Again 20% of the selling price is Rs.120 more than 22%ofits cost price. The ratio of...
A square and a regular hexagon are drawn such that all the vertices of the square and the hexagon are on circle of radius r cm. The ratio of area of the sq...
If D and E are the mid points of AB and AC respectively of ∆ ABC, then the ratio of the areas of ADE and BCED is ?
In an orchard, the ratio of the number of mango and lichi trees is 4:5, respectively. Also, there are few apple trees in the orchard which is 50% more than...
Number of faculties in Physics and Biology in an institute is in the ratio of 2:3 respectively. If 60 more faculties join Physics, while 32 more faculties ...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 1 : 4 : 5 : 6. if the loss in t...
Total population of city P and Q is 2720 and 3300 respectively. If the ratio of number of males to females in city is P and Q is 5:3 and 3:2 respectively, ...
In an orchard, the ratio of the number of mango and lichi trees is 4:7, respectively. Also, there are few apple trees in the orchard which is 50% more than...
The ratio of prices listed for a bag and that of a belt is 2:1. In a sale, there was a discount of 40% on the belt. At the time of checkout, Ankit noticed ...
The ratio of males and females in a zoo is 4:5 respectively and the percentage of children among males and the percentage of children among females are 15%...
Number of faculties in Physics and Biology in an institute is in the ratio of 5:7 respectively. If 45 more faculties join Physics, while 24 more faculties ...
A plot has to be divided among P, Q and R in the ratio 3:4:6 respectively. If the area of plot received by R is 4800m ² more than the area of plot rec...
The ratio between two numbers is 7:8. If each number is increased by 9, the ratio between then become 10:11, find the difference between numbers.
Three numbers are in ratio 4:5:7. If the sum of the squares of those three numbers is 360 then find the sum of the three numbers.
In a college the ratio of boys and girls are in the ratio 7:9. 65% girls and 40% boys were absent. Find the girls present if the total number of students i...
Four numbers A, B, C and D are such that the ratio of A:B is 4:7 and ratio of B:C is 3:5. If the sum of A and D is 100 and sum of C and D is 146, then find...
A woman distributed her savings between her daughters A, B, C and D in the ratio 6 : 7 : 9 : 16. If A gives Rs. 600 from his share to C, the ratio of share...
In a chemistry lab two beakers A and B contains 36% and 40% of spirit respectively. If two liters from A is mixed with 4 liters of B. The ratio of spirit a...

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