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RS Aggarwal solutions for Mathematics [English] Class 6 chapter 10 - Ratio, Proportion and Unitary Method [Latest edition]

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Chapters

    1: Number System

    2: Factors and Multiples

    3: Whole Numbers

    4: Integers

   Chapter 5: Fractions

    6: Simplification

    7: Decimals

    8: Algebraic Expressions

    9: Linear Equation in One Variable

▶ 10: Ratio, Proportion and Unitary Method

   Chapter 11: Line Segment, Ray and Line

   Chapter 12: Parallel Lines

   Chapter 13: Angles and Their Measurement

   Chapter 14: Constructions (Using Ruler and a Pair of Compasses)

   Chapter 15: Polygons

   Chapter 16: Triangles

   Chapter 17: Quadrilaterals

   Chapter 18: Circles

   Chapter 19: Three-Dimensional Shapes

   Chapter 20: Two-Dimensional Reflection Symmetry (Linear Symmetry)

   Chapter 21: Concept of Perimeter and Area

   Chapter 22: Data Handling

   Chapter 23: Pictograph

   Chapter 24: Bar Graph

RS Aggarwal solutions for Mathematics [English] Class 6 chapter 10 - Ratio, Proportion and Unitary Method - Shaalaa.com
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Solutions for Chapter 10: Ratio, Proportion and Unitary Method

Below listed, you can find solutions for Chapter 10 of CBSE RS Aggarwal for Mathematics [English] Class 6.


Exercise 10AExercise 10BExercise 10CExercise 10DTest Paper 10
Exercise 10A [Pages 152 - 153]

RS Aggarwal solutions for Mathematics [English] Class 6 10 Ratio, Proportion and Unitary Method Exercise 10A [Pages 152 - 153]

Exercise 10A | Q 1.1 | Page 152

Find the following ratio in the simplest form:
24 to 56

Exercise 10A | Q 1.2 | Page 152

Find the following ratio in the simplest form:
84 paise to Rs 3

Exercise 10A | Q 1.3 | Page 152

Find the following ratio in the simplest form:
4 kg to 750 g

Exercise 10A | Q 1.4 | Page 152

Find the following ratio in the simplest form:
1.8 kg to 6 kg

Exercise 10A | Q 1.5 | Page 152

Find the following ratio in the simplest form:
48 minutes to 1 hour

Exercise 10A | Q 1.6 | Page 152

Find the following ratio in the simplest form:
2.4 km to 900 m

Exercise 10A | Q 2.1 | Page 152

Express the following ratio in the simplest form:
36 : 90

Exercise 10A | Q 2.2 | Page 152

Express the following ratio in the simplest form:
324 : 144

Exercise 10A | Q 2.3 | Page 152

Express the following ratio in the simplest form:
85 : 561

Exercise 10A | Q 2.4 | Page 152

Express the following ratio in the simplest form:
480 : 384

Exercise 10A | Q 2.5 | Page 152

Express the following ratio in the simplest form:
186 : 403

Exercise 10A | Q 2.6 | Page 152

Express the following ratio in the simplest form:
777 : 1147

Exercise 10A | Q 3.1 | Page 152

Write the following ratio in the simplest form:

Rs 6.30 : Rs 16.80

Exercise 10A | Q 3.2 | Page 152

Write the following ratio in the simplest form:

3 weeks : 30 days

Exercise 10A | Q 3.3 | Page 152

Write the following ratio in the simplest form:

3 m 5 cm : 35 cm

Exercise 10A | Q 3.4 | Page 152

Write the following ratio in the simplest form:

48 min : 2 hours 40 min

Exercise 10A | Q 3.5 | Page 152

Write the following ratio in the simplest form:

1 L 35 mL : 270 mL

Exercise 10A | Q 3.6 | Page 152

Write the following ratio in the simplest form:

4 kg : 2 kg 500 g

Exercise 10A | Q 4 | Page 152

Mr. Sahai and his wife are both school teachers and earn Rs 16800 and Rs 10500 per month respectively. Find the ratio of

(i) Mr. Sahai's income to his wife's income;
(ii) Mrs. Sahai's income to her husband's income;
(iii) Mr. Sahai's income to the total income of the two.

Exercise 10A | Q 5 | Page 152

Rohit earns Rs 15300 and saves Rs 1224 per month. Find the ratio of
(i) his income and savings:
(ii) his income and expenditure;
(iii) his expenditure and savings.

Exercise 10A | Q 6 | Page 152

The ratio of the number of male and female workers in a textile mill is 5 : 3. If there are 115 male workers, what is the number of female workers in the mill?

Exercise 10A | Q 7 | Page 152

The boys and the girls in a school are in the ratio 9 : 5. If the total strength of the school is 448, find the number of girls.

Exercise 10A | Q 8 | Page 152

Divide Rs 1575 between Kamal and Madhu in the ratio 7 : 2.

Exercise 10A | Q 9 | Page 152

Divide Rs 3450 among A, B, and C in the ratio 3 : 5 : 7.

Exercise 10A | Q 10 | Page 152

Two numbers are in the ratio 11 : 12 and their sum is 460. Find the numbers.

Exercise 10A | Q 11 | Page 152

A 35-cm line segment is divided into two parts in the ratio 4 : 3. Find the length of each part.

Exercise 10A | Q 12 | Page 152

A factory produces electric bulbs. If 1 out of every 10 bulbs is defective and the factory produces 630 bulbs per day, find the number of defective bulbs produced each day.

Exercise 10A | Q 13 | Page 152

Find the ratio of the price of a pencil to that of a ball pen if pencils cost Rs 96 per score and ball pens cost Rs 50.40 per dozen.

Exercise 10A | Q 14 | Page 152

The ratio of the length of a field to its width is 5 : 3. Find its length if the width is 42 metres.

Exercise 10A | Q 15 | Page 152

The ratio of income to savings of a family is 11 : 2. Find the expenditure if the savings is Rs 1520.

Exercise 10A | Q 16 | Page 152

The ratio of income to the expenditure of a family is 7 : 6. Find the savings if the income is Rs 14000.

Exercise 10A | Q 17 | Page 152

The ratio of zinc and copper in an alloy is 7 : 9. If the weight of copper in the alloy is 11.7 kg find the weight of zinc in it.

Exercise 10A | Q 18 | Page 152

A bus covers 128 km in 2 hours and a train covers 240 km in 3 hours. Find the ratio of their speeds.

Exercise 10A | Q 19.1 | Page 153

From the given pairs, find which ratio is larger:

(3 : 4) or (9 : 16)

Exercise 10A | Q 19.2 | Page 153

From the given pairs, find which ratio is larger:

(5 : 12) or (17 : 30)

Exercise 10A | Q 19.3 | Page 153

From the given pairs, find which ratio is larger:

(3 : 7) or (4 : 9)

Exercise 10A | Q 19.4 | Page 153

From the given pairs, find which ratio is larger:

(1:2) or (13:27)

Exercise 10A | Q 20.1 | Page 153

Fill in the place holder:

\[\frac{24}{40} = \frac{}{5} = \frac{12}{}\]
Exercise 10A | Q 20.2 | Page 153

Fill in the place holder:

\[\frac{36}{63} = \frac{4}{} = \frac{}{21}\]
Exercise 10A | Q 20.3 | Page 153

Fill in the place holder:

\[\frac{5}{7} = \frac{}{28} = \frac{35}{}\]
Exercise 10B [Page 155]

RS Aggarwal solutions for Mathematics [English] Class 6 10 Ratio, Proportion and Unitary Method Exercise 10B [Page 155]

Exercise 10B | Q 1.1 | Page 155

Determine if the following numbers are in proportion:

4, 6, 8, 12

Exercise 10B | Q 1.2 | Page 155

Determine if the following numbers are in proportion:

7, 42, 13, 78

Exercise 10B | Q 1.3 | Page 155

Determine if the following numbers are in proportion:

33, 121, 9, 96

Exercise 10B | Q 1.4 | Page 155

Determine if the following numbers are in proportion:

22, 33, 42, 63

Exercise 10B | Q 1.5 | Page 155

Determine if the following numbers are in proportion:

32, 48, 70, 210

Exercise 10B | Q 1.6 | Page 155

Determine if the following numbers are in proportion:

150, 200, 250, 300

Exercise 10B | Q 2.1 | Page 155

Verify the following:

60 : 105 : : 84 : 147

Exercise 10B | Q 2.2 | Page 155

Verify the following:

91 : 104 : : 119 : 136

Exercise 10B | Q 2.3 | Page 155

Verify the following:

108 : 72 : : 129 : 86

Exercise 10B | Q 2.4 | Page 155

Verify the following:

39 : 65 : : 141 : 235

Exercise 10B | Q 3.1 | Page 155

Find the value of x in each of the following proportions:

55 : 11 : : x : 6

Exercise 10B | Q 3.2 | Page 155

Find the value of x in each of the following proportion:

27 : x : : 63 : 84

Exercise 10B | Q 3.3 | Page 155

Find the value of x in each of the following proportions:

51 : 85 : : 57 : x

Exercise 10B | Q 3.4 | Page 155

Find the value of x in each of the following proportions:

x : 92 : : 87 : 116

Exercise 10B | Q 4.1 | Page 155

Write (T) for true and (F) for false in case of the following:

51 : 68 : : 85 : 102

  • True

  • False

Exercise 10B | Q 4.2 | Page 155

Write (T) for true and (F) for false in case of the following:

36 : 45 : : 80 : 100

  • True

  • False

Exercise 10B | Q 4.3 | Page 155

Write (T) for true and (F) for false in case of the following:

30 bags : 18 bags : : Rs 450 : Rs 270

  • True

  • False

Exercise 10B | Q 4.4 | Page 155

Write (T) for true and (F) for false in case of the following:

81 kg : 45 kg : : 18 men : 10 men

  • True

  • False

Exercise 10B | Q 4.5 | Page 155

Write (T) for true and (F) for false in case of the following:

45 km : 60 km : : 12 h : 15 h

  • True

  • False

Exercise 10B | Q 4.6 | Page 155

Write (T) for true and (F) for false in case of the following:

32 kg : Rs 36 : : 8 kg : Rs 9

  • True

  • False

Exercise 10B | Q 5.1 | Page 155

Determine if the following ratio form a proportion:

25 cm : 1 m and Rs 40 : Rs 160

Exercise 10B | Q 5.2 | Page 155

Determine if the following ratio form a proportion:

39 litres : 65 litres and 6 bottles : 10 bottles

Exercise 10B | Q 5.3 | Page 155

Determine if the following ratio form a proportion:

200 mL : 2.5 L and Rs 4 : Rs 50

Exercise 10B | Q 5.4 | Page 155

Determine if the following ratio form a proportion:

2 kg : 80 kg and 25 g : 625 kg

Exercise 10B | Q 6 | Page 155

In proportion, the 1st, 2nd, and 4th terms are 51, 68, and 108 respectively. Find the 3rd term.

Exercise 10B | Q 7 | Page 155

The 1st, 3rd, and 4th terms of a proportion are 12, 8, and 14 respectively. Find the 2nd term.

Exercise 10B | Q 8.1 | Page 155

Show that the following numbers are in continued proportion:

48, 60, 75

Exercise 10B | Q 8.2 | Page 155

Show that the following numbers are in continued proportion:

36, 90, 225

Exercise 10B | Q 8.3 | Page 155

Show that the following numbers are in continued proportion:

16, 84, 441

Exercise 10B | Q 9 | Page 155

If 9, x, x 49 are in proportion, find the value of x.

Exercise 10B | Q 10 | Page 155

An electric pole casts a shadow of length 20 m at a time when a tree 6 m high casts a shadow of length 8 m. Find the height of the pole.

Exercise 10B | Q 11 | Page 155

Find the value of x if 5 : 3 : : x : 6.

Exercise 10C [Pages 157 - 158]

RS Aggarwal solutions for Mathematics [English] Class 6 10 Ratio, Proportion and Unitary Method Exercise 10C [Pages 157 - 158]

Exercise 10C | Q 1 | Page 157

If the cost of 14 m of cloth is Rs 1890, find the cost of 6 m of cloth.

Exercise 10C | Q 2 | Page 157

If the cost of a dozen soaps is Rs 285.60, what will be the cost of 15 such soaps?

Exercise 10C | Q 3 | Page 157

If 9 kg of rice costs Rs 327.60, what will be the cost of 50 kg of rice?

Exercise 10C | Q 4 | Page 157

If 22.5 m of a uniform iron rod weighs 85.5 kg, what will be the weight of 5 m of the same rod?

Exercise 10C | Q 5 | Page 157

If 15 tins of the same size contain 234 kg of oil, how much oil will there be in 10 such tins?

Exercise 10C | Q 6 | Page 157

If 12 L of diesel is consumed by a car in covering a distance of 222 km, how many kilometers will it go in 22 L of diesel?

Exercise 10C | Q 7 | Page 157

A transport company charges Rs 540 to carry 25 tonnes of weight. What will it charge to carry 35 tonnes?

Exercise 10C | Q 8 | Page 158

4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper will there be in 18.9 g of the alloy?

Exercise 10C | Q 9 | Page 158

35 inland letters cost Rs 87.50. How many such letters can we buy for 315?

Exercise 10C | Q 10 | Page 158

The cost of 4 dozen bananas is Rs 104. How many bananas can be purchased for Rs 6.50?

Exercise 10C | Q 11 | Page 158

The cost of 18 chairs is Rs 22770. How many such chairs can be bought for Rs 10120?

Exercise 10C | Q 12 | Page 158

A car travels 195 km in 3 hours.

(i) How long will it take to travel 520 km?
(ii) How far will it travel in 7 hours at the same speed?

Exercise 10C | Q 13 | Page 158

A labourer earns Rs 1980 in 12 days.
(i) How much does he earn in 7 days?
(ii) In how many days will he earn Rs 2640?

Exercise 10C | Q 14 | Page 158

The weight of 65 books is 13 kg.
(i) What is the weight of 80 such books?
(ii) How many such books weigh 6.4 kg?

Exercise 10C | Q 15 | Page 158

If 48 boxes contain 6000 pens, how many such boxes will be needed for 1875 pens?

Exercise 10C | Q 16 | Page 158

24 workers can build a wall in 15 days. How many days will 9 workers take to build a similar wall?

Exercise 10C | Q 17 | Page 158

40 men can finish a piece of work in 26 days. How many men will be needed to finish it in 16 days?

Exercise 10C | Q 18 | Page 158

In an army camp, there were provisions for 550 men for 28 days. But, 700 men attended the camp. How long did the provisions last?

Exercise 10C | Q 19 | Page 158

A given quantity of rice is sufficient for 60 persons for 3 days. How many days would the rice last for 18 persons?

Exercise 10D [Page 158]

RS Aggarwal solutions for Mathematics [English] Class 6 10 Ratio, Proportion and Unitary Method Exercise 10D [Page 158]

Exercise 10D | Q 1 | Page 158

The ratio 92 : 115 in its simplest for is

  • 23 : 25

  • 18 : 23

  • 3 : 5

  • 4 : 5

Exercise 10D | Q 2 | Page 158

If 57 : x : : 51 : 85, then the value of x is

  • 95

  • 76

  • 114

  • none of these

Exercise 10D | Q 3 | Page 158

If 25 : 35 : : 45 : x, then the value of x is

  • 63

  • 72

  • 54

  • none of these

Exercise 10D | Q 4 | Page 158

If 4 : 5 : : x : 35, then the value of x is

  • 42

  • 32

  • 28

  • none of these

Exercise 10D | Q 5 | Page 158

If a, b, c, d are in proportion, then

  • ac = bd

  • ad = bc

  • ab = cd

  • none of these

Exercise 10D | Q 6 | Page 158

If a, b, c are in proportion, then

  • a2 = bc

  • b2 = ac

  • c2 = ab

  • none of these

Exercise 10D | Q 7 | Page 158

Choose the correct statement:

  • (5 : 8) > (3 : 4)

  • (5 : 8) < (3 : 4)

  • two ratios cannot be compared

Exercise 10D | Q 8 | Page 158

If Rs 760 is divided between A and B in the ratio 8 : 11, then B's share is

  • Rs 440

  • Rs 320

  • Rs 430

  • Rs 330

Exercise 10D | Q 9 | Page 158

Two numbers are in the ratio 5 : 7 and the sum of these numbers is 252. The larger of these numbers is

  • 85

  • 119

  • 105

  • 147

Exercise 10D | Q 10 | Page 158

The sides of a triangle are in the ratio 1 : 3 : 5 and its perimeter is 90 cm. The length of its largest side is

  • 40 cm

  • 50 cm

  • 36 cm

  • 54 cm

Exercise 10D | Q 11 | Page 158

The ratio of boys and girls in a school is 12 : 5. If the number of girls is 840, the total strength of the school is

  • 1190

  • 2380

  • 2856

  • 2142

Exercise 10D | Q 12 | Page 158

If the cost of 12 pens is Rs 138, then the cost of 14 such pens is

  • Rs 164

  • Rs 161

  • Rs 118.30

  • Rs 123.50

Exercise 10D | Q 13 | Page 158

If 24 workers can build a wall in 15 days, how many days will 8 workers take to build a similar wall? 

  • 42 days

  • 45 days

  • 48 days

  • none of these

Exercise 10D | Q 14 | Page 158

If 40 men can finish a piece of work in 26 days, how many men will be required to finish it in 20 days?

  • 52

  • 31

  • 13

  • 65

Exercise 10D | Q 15 | Page 158

In covering 111 km, a car consumes 6 L of petrol. How many kilometers will it go to 10 L of petrol?

  • 172 km

  • 185 km

  • 205 km

  • 266.4 km

Exercise 10D | Q 16 | Page 158

In a fort, 550 men had provisions for 28 days. How many days will it last for 700 men?

  • 22 days

  • 35`7/11` days

  • 34 days

  • none of these

Exercise 10D | Q 17 | Page 158

The angles of a triangle are in the ratio 3 : 1 : 2. The measure of the largest angle is

  • 30°

  • 60°

  • 90°

  • 120°

Exercise 10D | Q 18 | Page 158

The length and breadth of a rectangular field are in the ratio 5 : 4. If the width of the field is 36 m, what is its length?

  • 40 m

  • 45 m

  • 54 m

  • 50 m

Exercise 10D | Q 19 | Page 158

If a bus covers 195 km in 3 hours and a train covers 300 km in 4 hours, then the ratio of their speeds is

  • 13 : 15

  • 15 : 13

  • 13 : 12

  • 12 : 13

Exercise 10D | Q 20 | Page 158

If the cost of 5 bars of soap is Rs 82.50, then the cost of one dozen such bars is

  • Rs 208

  • Rs 192

  • Rs 198

  • Rs 204

Exercise 10D | Q 21 | Page 158

If the cost of 30 packets of 8 pencils each is Rs 600, what is the cost of 25 packets of 12 pencils each?

  • Rs 725

  • Rs 750

  • Rs 480

  • Rs 720

Exercise 10D | Q 22 | Page 158

A rail journey of 75 km costs Rs 215. How much will a journey of 120 km cost?

  • Rs 344

  • Rs 324

  • Rs 268.75

  • none of these

Exercise 10D | Q 23 | Page 158

The 1st, 2nd, and 4th terms of a proportion are 12, 21, and 14 respectively. Its third term is

  • 16

  • 18

  •  21

  • 8

Exercise 10D | Q 24 | Page 158

10 boys can dig a pitch in 12 hours. How long will 8 boys take to do it?

  • 9 h 36 min

  • 15 h

  • 6 h 40 min

  • 13 h 20 min

Test Paper 10 [Page 161]

RS Aggarwal solutions for Mathematics [English] Class 6 10 Ratio, Proportion and Unitary Method Test Paper 10 [Page 161]

Test Paper 10 | Q 1.1 | Page 161

Find the ratio of:

90 cm to 1.05 m

Test Paper 10 | Q 1.2 | Page 161

Find the ratio of:

35 minutes to an hour

Test Paper 10 | Q 1.3 | Page 161

Find the ratio of:

150 mL to 2 L

Test Paper 10 | Q 1.4 | Page 161

Find the ratio of:

2 dozens to a score

Test Paper 10 | Q 2 | Page 161

The ratio of zinc and copper in an alloy is 7 : 9. If the weight of copper in the alloy is 12.6 kg, find the weight of zinc in it.

Test Paper 10 | Q 3 | Page 161

Divide Rs 1400 among A. B and C in the ratio 2 : 3 : 5.

Test Paper 10 | Q 4 | Page 161

Prove that (5 : 6) > (3 : 4).

Test Paper 10 | Q 5 | Page 161

40 men can finish a piece of work in 26 days. How many men will be needed to finish it in 16 days?

Test Paper 10 | Q 6 | Page 161

In an army camp, there were provisions for 425 men for 30 days. How long did the provisions last for 375 men?

Test Paper 10 | Q 7 | Page 161

Find the value of x when 36 : x : : x : 16.

Test Paper 10 | Q 8 | Page 161

Show that 48, 60, 75 are in continued proportion.

Test Paper 10 | Q 9 | Page 161

Two numbers are in the ratio 3 : 5 and their sum is 96. The larger number is

  • 36

  • 42

  • 60

  • 70

Test Paper 10 | Q 10 | Page 161

A car travels 288 km in 4 hours and a train travels 540 km in 6 hours. The ratio of their speeds is

  • 5 : 4

  • 4 : 5

  • 5 : 6

  • 3 : 5

Solutions for 10: Ratio, Proportion and Unitary Method

Exercise 10AExercise 10BExercise 10CExercise 10DTest Paper 10
RS Aggarwal solutions for Mathematics [English] Class 6 chapter 10 - Ratio, Proportion and Unitary Method - Shaalaa.com

RS Aggarwal solutions for Mathematics [English] Class 6 chapter 10 - Ratio, Proportion and Unitary Method

Shaalaa.com has the CBSE Mathematics Mathematics [English] Class 6 CBSE 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. RS Aggarwal solutions for Mathematics Mathematics [English] Class 6 CBSE 10 (Ratio, Proportion and Unitary Method) 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.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. RS Aggarwal textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Mathematics [English] Class 6 chapter 10 Ratio, Proportion and Unitary Method are Concept of Ratio, Concept of Proportion, Concept of Unitary Method.

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Get the free view of Chapter 10, Ratio, Proportion and Unitary Method Mathematics [English] Class 6 additional questions for Mathematics Mathematics [English] Class 6 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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