Ratio and Proprotions

 1.The ratio of investment of two partners A and B is 3:5 and the ratio of their profits 2:3. If A invested the money for 5 months, then the time for which B invested the money is

Ans:B)4.5 months

2.At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 years, Arun's age will be 26 years. What is the age of Deepak at present ?

Ans: B)15

3.Two persons A and B start a business and invested in the ratio of 4:5. If at the end of the year the profit is Rs. 1800, what is the share of A?

Ans:B)800

4.Find the ratio in which rice at Rs.7.20/kg be mixed with rice at Rs.5.70/kg to produce a mixture worth Rs.6.30/kg

Ans:B)2:3

5.A quadrilateral has angles in the ratio 1:2:3 and a fourth angle is 31 degrees larger than the smallest angle. Find the sum of second smallest and second largest angle?

Ans:C) 172 Degree

6.0.6 of a number is equal to 0.08 of another number. The ratio of the numbers will be

Ans:C) 2:15

7.Akila is 40 years old and ravi is 60 yrs old .how many years ago was the ratio of their ages 3:5?

Ans:A)10

8.A is older than B by 8 years .If their ages are in the ratio 6:5.How old is A, 6 years hence?

Ans:D)54

9.Find the third proportion to the terms 2,10.

Ans:A)50

10.A, B and C invests Rs.4000, Rs. 3500, Rs. 2000 for 12 months , 8 months, 6 months respectively. By end of the year total profit is Rs.4400. What Is the share of profit received by A.

Ans:B)2400

11.A sum of money is divided among A,B,C and D in the ratio of 3:5:8:9 respectively. If the share of D is Rs.1872 more than the share of A, then What is the total amount of money B and C receives 

Ans:C)RS.4056

12.A container has 60 litres of milk , if 3 litres of milk is replaced by 3 litres of water and this operation is repeated further once. What will be the quantity of milk in the new mixture

Ans:A)54.15L

13.A,B and C invested in the ratio of 2:3:5.At end of the business terms, they received the profit in the ratio 5:3:12.Find the ratio of time for which they contributed their capitals

Ans:D)20:10:24

14.Find the triplicate ratio of 2:3

Ans:C)8:27

15.Find the mean proportion between 0.08 and 0.18

Ans:B)0.12

16.If (a+b) : (b+c) : (c+a) = 7:8:9 ,find a:b:c.

Ans:4:3:5

17.If a:b=2:3 and b:c=4:5 find a:c

Ans:B)8:15

18.Two jars having capacity of 3 and 8 liters are filled with mixtures of milk and water. In the smaller jar 40% of the mixture is milk and in the larger 40% of the mixture is water. The jars are emptied into a 15 liter cask whose remaining capacity is filled up with milk. Find the percentage of milk in the cask. 

Ans:B)66.66%

19.Find the fourth proportion to 18,12,6

Ans:A)4

20.A dishonest milkman mixed 1 litre of water for every 3 litres of milk and thus made up 36 litres of milk. If he now adds 15 litres of milk to the mixture, find the ratio of milk and water in the new mixture.

Ans:B)4:3