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Chapters
2: Introduction to Algebra
▶ 3: Ratio and Proportion
4: Geometry
5: Statistics
6: Information Processing
![Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board chapter 3 - Ratio and Proportion Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board chapter 3 - Ratio and Proportion - Shaalaa.com](/images/mathematics-term-1-english-class-6-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg)
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Solutions for Chapter 3: Ratio and Proportion
Below listed, you can find solutions for Chapter 3 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Mathematics - Term 1 [English] Class 6 TN Board.
Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board 3 Ratio and Proportion Exercise 3.1 [Pages 51 - 52]
Fill in the blanks
Ratio of ₹ 3 to ₹ 5 = ______________
Ratio of 3 m to 200 cm = _____________
Ratio of 5 km 400 m to 6 km = _______________
Ratio of 75 paise to ₹ 2 = _____________
Say whether the following statements are True or False
The ratio of 130 cm to 1 m is 13 : 10
True
False
One of the terms in a ratio cannot be 1
True
False
Find the simplified form of the following ratio.
15 : 20
Find the simplified form of the following ratio.
32 : 24
Find the simplified form of the following ratio.
7 : 15
Find the simplified form of the following ratio.
12 : 27
Find the simplified form of the following ratio.
75 : 100
Akilan walks 10 km in an hour while Selvi walks 6 km in an hour. Find the simplest ratio of the distance covered by Akilan to that of Selvi.
The cost of parking a bicycle is ₹ 5 and the cost of parking a scooter is ₹ 15. Find the simplest ratio of the parking cost of a bicycle to that of a scooter
Out of 50 students in a class, 30 are boys. Find the ratio of number of boys to the number of girls
Out of 50 students in a class, 30 are boys. Find the ratio of number of girls to the total number of students
Out of 50 students in a class, 30 are boys. Find the ratio of number of boys to the total number of students
Objective Type Questions
The ratio of ₹ 1 to 20 paise is _______________
1 : 5
1 : 2
2 : 1
5 : 1
The ratio of 1 l to 50 ml is ______________
1 : 5
1 : 20
20 : 1
5 : 1
The length and breadth of a window are in 1m and 70 cm respectively. The ratio of the length to the breadth is _______________
1 : 7
7 : 1
7 : 10
10 : 7
The ratio of the number of sides of a triangle to the number of sides of a rectangle is
4 : 3
3 : 4
3 : 5
3 : 2
If Azhagan is 50 years old and his son is 10 years old then the simplest ratio between the age of Azhagan to his son is
10 : 50
50 : 10
5 : 1
1 : 5
Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board 3 Ratio and Proportion Exercise 3.2 [Pages 54 - 55]
Fill in the blank for the given equivalent ratio.
3 : 5 = 9 : ____
Fill in the blank for the given equivalent ratio.
4 : 5 = ____ : 10
Fill in the blank for the given equivalent ratio.
6 : ____ = 1 : 2
Complete the table.
Feet | 1 | 2 | 3 | ? |
Inch | 12 | 24 | ? | 72 |
Complete the table.
Days | 28 | 21 | ? | 63 |
Weeks | 4 | 3 | 2 | ? |
Say True or False
5 : 7 is equivalent to 21 : 15
True
False
If 40 is divided in the ratio 3 : 2, then the larger part is 24
True
False
Give two equivalent ratios of the following.
3 : 2
Give two equivalent ratios of the following.
1 : 6
Give two equivalent ratios of the following.
5 : 4
Identify of the two ratios is larger?
4 : 5 or 8 : 15
Identify of the two ratios is larger?
3 : 4 or 7 : 8
Identify of the two ratios is larger?
1 : 2 or 2 : 1
Divide the numbers given below in the required ratio.
20 in the ratio 3 : 2
Divide the numbers given below in the required ratio.
27 in the ratio 4 : 5
Divide the numbers given below in the required ratio.
40 in the ratio 6 : 14
In a family, the amount spent in a month for buying Provisions and Vegetables are in the ratio 3 : 2. If the allotted amount is ₹ 4000, then what will be the amount spent for (i) Provisions and (ii) Vegetables?
A line segment 63 cm long is to be divided into two parts in the ratio 3 : 4. Find the length of each part.
Objective Type Questions
If 2 : 3 and 4 : ____ are equivalent ratios, find the missing term
6
2
4
3
An equivalent ratio of 4 : 7 is
1 : 3
8 : 15
14 : 8
12 : 21
Which is not an equivalent ratio of `16/24`?
`6/9`
`12/18`
`10/15`
`20/28`
If ₹ 1600 is divided among A and B in the ratio 3 : 5, then, B’s share is
₹ 480
₹ 800
₹ 1000
₹ 200
Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board 3 Ratio and Proportion Exercise 3.3 [Pages 58 - 59]
Fill in the boxes
3 : 5 : : `square` : 20
`square` : 24 : : 3 : 8
5 : `square` : : 10 : 8 : : 15 : `square`
12 : `square` = `square` : 4 = 8 : 16
Say True or False
7 Persons is to 49 Persons as 11 kg is to 88 kg
True
False
10 books is to 15 books as 3 books is to 15 books
True
False
If the weight of 40 books is 8 kg, then the weight of 15 books is 3 kg
True
False
A car travels 90 km in 3 hours with constant speed. It will travel 140 km in 5 hours at the same speed
True
False
Fill in the blanks
If the cost of 3 pens is ₹ 18, then the cost of 5 pens is _________
If Karkuzhali earns ₹ 1800 in 15 days, then she earns ₹ 3000 in __________ days
Find whether 12, 24, 18, 36 are in order that can be expressed as two ratios that are in proportion
Write the mean and extreme terms in the following ratios and check whether they are in proportion.
78 litre is to 130 litre and 12 bottles is to 20 bottles
Write the mean and extreme terms in the following ratios and check whether they are in proportion.
400 gm is to 50 gm and 25 rupees is to 625 rupees
The America’s famous Golden Gate bridge is 6480 ft long with 756 ft tall towers. A model of this bridge exhibited in a fair is 60 ft long with 7 ft tall towers. Is the model, in proportion to the original bridge?
If a person reads 20 pages of a book in 2 hours, how many pages will he read in 8 hours at the same speed?
Cholan walks 6 km in 1 hour at constant speed. Find the distance covered by him in 20 minutes at the same speed
The number of correct answers given by Kaarmugilan and Kavitha in a quiz competition are in the ratio 10 : 11. If they had scored a total of 84 points in the competition, then how many points did Kavitha get?
Karmegam made 54 runs in 9 overs and Asif made 77 runs in 11 overs. Whose run rate is better? (run rate = ratio of runs to overs)
You purchase 6 apples for ₹ 90 and your friend purchases 5 apples for ₹ 70. Whose purchase is better?
Objective Type Questions
Which of the following ratios are in proportion?
3 : 5, 6 : 11
2 : 3, 9 : 6
2 : 5, 10 : 25
3 : 1, 1 : 3
If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is
50
4
10
8
If 7 : 5 is in proportion to x : 25, then ‘x’ is
27
49
35
14
If a barbie doll costs ₹ 90, then the cost of 3 such dolls is ₹ __________
260
270
30
93
If a man walks 2 km in 15 minutes, then he will walk _____ km in 45 minutes
10
8
6
12
Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board 3 Ratio and Proportion Exercise 3.4 [Pages 60 - 61]
Miscellaneous Practice Problems
The maximum speed of some of the animals are given below:
the Elephant = 20 km/h;
the Lion = 80 km/h;
the Cheetah = 100 km/h
Find the following ratios of their speeds in simplified form and find which ratio is the least?
(i) the Elephant and the Lion
(ii) the Lion and the Cheetah
(iii) the Elephant and the Cheetah
A particular high school has 1500 students 50 teachers and 5 administrators. If the school grows to 1800 students and the ratios are maintained, then find the number of teachers and administrators
I have a box which has 3 green, 9 blue, 4 yellow, 8 orange coloured cubes in it.
(a) What is the ratio of orange to yellow cubes?
(b) What is the ratio of green to blue cubes?
(c) How many different ratios can be formed, when you compare each colour to anyone of the other colours?
A gets double of what B gets and B gets double of what C gets. Find A : B and B : C and verify whether the result is in proportion or not
The ingredients required for the preparation of Ragi Kali, a healthy dish of Tamilnadu is given below.
Ingredients | Quantity |
Ragi flour | 4 cups |
Raw rice broken | 1 cup |
Water | 8 cups |
Sesame oil | 15 ml |
Salt | 10 mg |
(a) If one cup of ragi flour is used then, what would be the amount of raw rice required?
(b) If 16 cups of water is used, then how much of ragi flour should be used?
(c) Which of these ingredients cannot be expressed as a ratio? Why?
Challenging Problems
Antony brushes his teeth in the morning and night on all days in a week. Shabeen brushes her teeth only in the morning. What is the ratio of the number of times they brush their teeth in a week?
Thirumagal's mother wears a bracelet made of 35 red beads and 30 blue beads. Thirumagal wants to make smaller bracelets using the same two coloured beads in the same ratio. In how many different ways can she make the bracelets?
Team A wins 26 matches out of 52 matches. Team B wins three-fourth of 52 matches played. Which team has a better winning record?
In a school excursion, 6 teachers and 12 students from 6th standard and 9 teachers and 27 students from 7th standard, 4 teachers and 16 students from 8th standard took part. Which class has the least teacher to student ratio?
Fill the boxes using any set of suitable numbers 6 : `square` : : `square` : 15
From your school diary, write the ratio of the number of holidays to the number of working days in the current academic year
If the ratio of Green, Yellow and Black balls in a bag is 4 : 3 : 5, then
(a) Which is the most likely ball that you can choose from the bag?
(b) How many balls in total are there in the bag if you have 40 black balls in it?
(c) Find the number of green and yellow balls in the bag.
Solutions for 3: Ratio and Proportion
![Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board chapter 3 - Ratio and Proportion Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board chapter 3 - Ratio and Proportion - Shaalaa.com](/images/mathematics-term-1-english-class-6-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg)
Samacheer Kalvi solutions for Mathematics - Term 1 [English] Class 6 TN Board chapter 3 - Ratio and Proportion
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Mathematics - Term 1 [English] Class 6 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Mathematics - Term 1 [English] Class 6 TN Board Tamil Nadu Board of Secondary Education 3 (Ratio and Proportion) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Mathematics - Term 1 [English] Class 6 TN Board chapter 3 Ratio and Proportion are Concept of Proportion, Concept of Unitary Method, Concept of Ratio, Concept of Equivalent Ratios.
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