Question

ratio practice exercises with answers​

Answer 1

1) In the word MATHEMATICS the ratio of number of consonants to the number of vowels :

a) 4:7

b) 7:4

c) 5:6

d) 6:5

2) A mixture of 30 liters of milk and water contains milk and water in the ratio 7:3 How much water must be added to it so that the ratio of the milk and water in the new mixture may be reversed?

a)40 litres

b)35 litres

c)30 litres

d)25 litres

3) One year ago the ratio between Laxman's and Gopal's salary was 3:4. The ratio of their individual salaries between last year's and this year's salaries are 4:5 and 2:3 respectively. At present the total of their salary is Rs.4160. At present, the salary of Laxman, is _______.

a)Rs.1040

b)Rs.1600

c)Rs.2560

c)Rs.3120

4) The three quantities a,b,c are said to be in continued proportion if

a) b²=ac

b)ab=c

c)a+b=c

d)b²=a+c

5) Average of ten positive numbers is x. If each number is increased by 12% then x is increased by

a)5%

b)12%

c)10%

d)25%

Answers:

1) 7:4

2) 40litres

3) Rs. 1600

4) b²= ac

5) 12%

Hope this is helpful....

Answer 2

Answer:

Convert the following into ratios.

1. 50 paise to 1 rupee

2. 10 grams to 1 kilogram

3. 400 meter to 2 kilometer.

4. 4 litre to 500 millilitre.