Question 1 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c430f59b460d7261e30e.PNG' />
In the above figure, what is the ratio of the areas of shaded portions I and II taken together and shaded portion III?
Question 2 :
State whether the given statement is true or false. The ratio of 1 hour to one day is 1:1.
Question 3 :
The ratio of the number of sides of a square to the number of edges of a cube is _____ .
Question 4 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c42ff59b460d7261e30d.PNG' />
In the above figure, what is the ratio of the areas of shaded portion II to shaded portion III?
Question 5 :
Find the missing number in place of question mark in the proportion - $\frac {?}{45} = \frac {16}{40} = \frac {24}{?}$
Question 6 :
There is a number in place of question mark such that ? , 24, 9, 12 are in proportion. The number in the place of question mark is _____ .
Question 7 :
State whether the given statement is true or false. $\frac {3}{8} = \frac {15}{40}$
Question 8 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c430f59b460d7261e30f.PNG' />
From the above figure, find the ratio of the shaded portion to the unshaded portion.
Question 9 :
A typist has to type a manuscript of 40 pages. She has typed 30 pages of the manuscript. What is the ratio of the number of pages typed to the number of pages left?
Question 10 :
Cost of 4 dozen bananas is Rs.180. How many bananas can be purchased for Rs90?
Question 11 :
There are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.
Question 12 :
The length and breadth of a steel tape are 10 m and 2.4 cm, respectively. The ratio of the length to the breadth is__________
Question 13 :
The ratio of 8 books to 20 books is ________ .
Question 14 :
Shivangi is suffering from anaemia as haemoglobin level in her blood is lower than the normal range. Doctor advised her to take one iron tablet two times a day. If the cost of 10 tablets is Rs 17, then what amount will she be required to pay for her medical bill for 15 days?
Question 15 :
Find two numbers whose sum is 100 and whose ratio is 9 :16.
Question 16 :
Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per 4000 males in a town.
Question 17 :
Ramesh earns Rs 28000 per month. His wife Rama earns Rs 36000 per month. Find the ratio of Ramesh’s earnings to their total earnings.
Question 18 :
If it has rained 276 mm in the last 3 days, how many cm of rain will fall in one full week (7 days)? Assume that the rain continues to fall at the same rate.
Question 19 :
Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of men to that of women.
Question 20 :
For proportion, the symbol _____ is used to equate the two ratios.
Question 21 :
In a school, the ratio of the number of large classrooms to small classrooms is 3:4. If the number of small rooms is 20, then find the number of large rooms.
Question 22 :
Reshma prepared 18 kg of Burfi by mixing Khoya with sugar in the ratio of 7 : 2. How much Khoya did she use?
Question 23 :
State whether the given statement is true or false. If b : a = c : d, then a, b, c, d are in proportion.
Question 24 :
A ratio expressed in lowest form has no common factor other than ______ in its terms.
Question 25 :
State whether the given statement is true or false. The ratio 5 : 4 is different from the ratio 4 : 5.
Question 26 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c427f59b460d7261e302.PNG' />
In the above figure, the comparative areas of the continents are given. What is the ratio of the areas of Australia to Asia ?
Question 27 :
State whether the given statement is true or false. $27cm^2 : 57cm^2 = 18cm : 38cm$
Question 28 :
Four quantities are said to be in proportion, if the ratio of the first and the _____ quantities is equal to the ratio of the ______ and the fourth quantities.
Question 29 :
State whether the given statement is true or false. 15m : 40m = 35m : 65m
Question 30 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c42df59b460d7261e30b.PNG' />
Refer to the above figure. In a floral design made from tiles each of dimensions 40 cm by 60 cm, find the ratio of the area of the shaded portion to the area of the unshaded portion.
