Question 1 :
Find the missing number in place of question mark in the proportion - $\frac {16}{36} = \frac {?}{63} = \frac {36}{?} = \frac {?}{117}$
Question 2 :
Find the missing number in place of question mark in the proportion - $\frac {?}{45} = \frac {16}{40} = \frac {24}{?}$
Question 3 :
There are 20 girls and 15 boys in a class 5.What is the ratio of number of girls to the total number of students in the class?
Question 5 :
The length and breadth of a school ground are 150 m and 90 m respectively, while the length and breadth of a mela ground are 210 m and 126 m, respectively. Are these measurements in proportion?
Question 6 : <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.
Question 7 :
State whether the given statement is true or false. The ratio of 150 cm to 1 metre is 1:1.5.
Question 8 :
State whether the given statement is true or false. The ratio of 1 hour to one day is 1:1.
Question 9 :
State True or False :The comparison of two numbers or quantities by division is known as the ratio.
Question 10 :
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 11 :
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 12 :
Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of number of students who opted cricket to the number of students opting basketball.
Question 13 :
Out of 30 students in a class, 6 like football, 12 like cricket and remaining like tennis.What is the ratio of number of students liking cricket to total number of students?
Question 14 :
Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of number of students who opted basketball to the number of students who opted table tennis.
Question 15 :
In a box, the ratio of red marbles to blue marbles is 7:4. Which of the following could be the total number of marbles in the box?
Question 16 :
Present age of father is 42 years and that of his son is 14 years. Find the ratio of present age of father to the present age of son.
Question 17 :
State whether the given statement is true or false. A ratio can be equal to 1.
Question 18 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c426f59b460d7261e301.PNG' />
In the above figure, the comparative areas of the continents are given. What is the ratio of the areas of Africa to Europe ?
Question 19 :
Is the given pair of ratios equal - $\frac {2}{3} , \frac {4}{6}$ ?
Question 20 :
State whether the given statement is true or false. 25 kg : 20 g = 50 kg : 40 g
Question 21 :
There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is _____ .
Question 23 :
A train takes 2 hours to travel from Ajmer to Jaipur, which are 130km apart. How much time will it take to travel from Delhi to Bhopal which are 780km apart if the train is travelling at the uniform speed?
Question 24 :
Raju purchases 10 pens for Rs.150 and Manish buys 7 pens for Rs. 84. Can you say who got the pens cheaper?
Question 26 :
State whether the given statement is true or false. 4 : 7 = 20 : 35
Question 27 :
State whether the given statement is true or false. A ratio will always be more than 1.
Question 28 :
Cost of a dozen pens is Rs.180 and cost of 8 ball pens is Rs.56. Find the ratio of the cost of a pen to the cost of a ball pen.
Question 29 :
Find the missing number in place of question mark in the proportion - $\frac {?}{18} = \frac {2}{9}$
Question 30 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c60ff59b460d7261e585.PNG' />
See the above Figure.What is ratio of number of circles to all the figures inside the rectangle?
Question 31 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c611f59b460d7261e589.PNG' />
(Refer to the above table)Consider the statement : Ratio of breadth and length of a hall is 2:5. Complete the table that shows some possible breadths and lengths of the hall.
Question 32 :
Shaina pays Rs.15,000 as rent for 3 months. How much does she has to pay for a whole year, if the rent per month remains same?
Question 33 :
The ratio of 8 books to 20 books is ________ .
Question 34 :
State whether the given statement is true or false. The ratio 5 : 4 is different from the ratio 4 : 5.
Question 35 :
State whether the given statement is true or false. The ratio of 10 kg to 100 kg is 1:10.
Question 36 :
Length and breadth of the floor of a room are 5 m and 3 m, respectively. forty tiles, each with area $\frac {1}{16} m^2$ are used to cover the floor partially. Find the ratio of the tiled and the non tiled portion of the floor.
Question 37 :
There are 20 girls and 15 boys in a class 5.What is the ratio of number of girls to the number of boys?
Question 38 :
State whether the given statement is true or false. The ratio 4 :16 is in its lowest form.
Question 39 :
State whether the given statement is true or false. 3 : 33 = 33 : 333
Question 40 :
In a college, out of 4320 students, 2300 are girls. Find the ratio of number of boys to the number of girls.
Question 41 :
Cost of 5 kg of wheat is Rs 91.50. What quantity of wheat can be purchased in Rs 183?
Question 42 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c425f59b460d7261e300.PNG' />
Refer to the above figure. Sleeping time of a python in a 24 hour clock is represented by the shaded portion in the figure. The ratio of sleeping time to awaking time is ______.
Question 43 :
Cost of 4 dozen bananas is Rs.180. How many bananas can be purchased for Rs90?
Question 44 :
Determine if the following are in proportion.
15, 45, 40, 120
Question 45 : <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 46 :
The marked price of a table is Rs 625 and its sale price is Rs 500. What is the ratio of the sale price to the marked price?
Question 47 :
The ratio of the number of sides of a square to the number of edges of a cube is _____ .
Question 48 :
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of the father to the age of son, when son was 12 years old.
Question 49 :
Write True ( T) or False (F) of the statement: 8:9 : : 24:27
Question 50 :
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?
