# concise mathematics class 7 ratio and proportion

Selina Publishers Concise Mathematics for Class 7 ICSE Solutions all questions are solved and explained by expert mathematic teachers as per ICSE board guidelines. Selina Concise Mathematics class 7 ICSE Solutions – Ratio and Proportion (Including Sharing in a Ratio) ICSE Solutions Selina ICSE Solutions ML Aggarwal Solutions APlusTopper.com provides step by step solutions for Selina Concise ICSE Solutions for Class 7 Mathematics. Answer, The ratio between two quantities is 3 : the first is Rs. Selina Concise Mathematics - Part I Solutions for Class 9 Mathematics ICSE, 22 Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]. This will clear students doubts about any question and improve application skills while preparing for board exams. Are the following numbers in proportion: (i) 32, 40, 48 and 60 ? … 3,150 in the ratio of their ages. The ratio between the prices of a scooter and a refrigerator is 4 : 1. A rectangular field is 100 m by 80 m. Find the ratio of Answer, A line is divided in two parts in the ratio 2.5 : 1.3. Their difference is 10. Chapter 1 Integers; Chapter 2 Rational Numbers; Chapter 3 Fractions (Including Problems) Chapter 4 Decimal Fractions (Decimals) Chapter 5 Exponents (Including Laws of Exponents) Chapter 6 Ratio and Proportion (Including Sharing in a Ratio) Trigonometric ratios of 270 degree minus theta. Selina Concise Mathematics - Part II Solutions for Class 10 Mathematics ICSE, 7 Ratio and Proportion (Including Properties and Uses). Find detailed video answer solutions to CONCISE Mathematics Middle School - 7 Ratio and Proportion Including Sharing in a Ratio) Exercise 6B) questions taught by expert teachers. Find the fourth proportional to: (i) 1.5, 4.5 and 3.5 (ii) 3a, 6a2 and 2ab2. All exercise questions are solved & explained by expert teacher and as per ICSE board guidelines. Solution: Question 2. Find the number of females. Question 22. 270 x 4 = Rs. (a) A length of 6 cm to a length of 8 cm. Answer: A’s investment = Rs. Trigonometric ratios of 180 degree plus theta. Question 19. is divided between A and B in such a way that A gets half of B. Free download of step by step solutions for class 10 mathematics chapter 7 - Ratio and Proportion (Including Properties and Uses) of ICSE Board (Concise - Selina Publishers). Find the third proportional of, Question 4. Access free tutor videos and make learning fun on LIDO learning. Basic concepts of ratio and proportion studied in earlier classes are continued with more in-depth knowledge in this chapter. Answer: Length of field (l) = 100 m Breadth (b) = 80 m ∴Perimeter = 2 (l + b) = 2 (100 + 80) m = 2 x 180 = 360 m (i) Ratio between length and breadth = 100 : 80 = 5 : 4 (Dividing by 20, the HCF of 100 and 80), (ii) Ratio between breadth and its perimeter = 80 : 360 = 2 : 9 (Dividing by 40, the HCF of 80 and 360). Question 20. (7) Divide Rs 360 between Kunal and Mohit in the ratio 7 : 8. Answer, Two numbers are in the ratio 5 : 7. Question 8. 400. Solution: Sum of the ratio terms = (7 + 8) = 15 (9) Divide Rs 5600 between A, B and C in the ratio 1 : 3 : 4. Solution: 14,400 in a year. You can download the Selina Concise Mathematics ICSE Solutions for Class 7 with Free PDF download option. Convert the ratio 66 : 18 in its simplest form. Answer, A plot of land, 600 sq m in area, is divided between two persons such that the first person gets three-fifth of what the second gets. Answer, In a class, the ratio of boys to the girls is 7:8. Solution: (i) Let’s assume … If x: y = 4: 7, find the value of (3x + 2y): (5x + y). Express each of the given ratio in its simplest form : Divide 64 cm long string into two parts in the ratio 5 : 3. 3,150 in the ratio of their ages. Find the number of females. Trigonometric ratios of angles greater than or equal to 360 degree Unitary Method (Including Time and Work) 8. Answer: Sum of ratios = 5 + 3 = 8 ∴ first part = $$\frac { 5 }{ 8 }$$ of 64 cm = 40 cm Second part = $$\frac { 3 }{ 8 }$$ of 64 cm = 24 cm. Question 13. Selina solutions for Concise Maths Class 10 ICSE chapter 7 (Ratio and Proportion (Including Properties and Uses)) include all questions with solution and detail explanation. Find the numbers. How many rupees will each get? We provide step by step Solutions of Exercise / lesson-6 Ratio and Proportion for ICSE Class-7 Concise Selina Mathematics. Trigonometric ratios of 180 degree plus theta. (ii) the share of A and the share of B. 14,400 in a year. Answer, If x: y – 5 :4 and 2 : x = 3 :8, find the value of y. Access free … Check whether the following quantities form a proportion or not ? The solutions for Chapter 6 - Ratio and Proportion are prepared by the subject-matter experts of Vedantu with reference to the ICSE guidelines. If a : b = 3 : 5, find (3a + 5b): (7a – 2b). Find the mean proportional between. Question 1. Question 15. $$\frac { 810 x 4 }{ 3 }$$ = Rs. Answer, Two numbers are in the ratio 10 : 11. 25,000; Rs. of 5x and 9x = Largest number common to 5x and 9x = x Given H.C.F. Answer, Three persons start a business and spend Rs. The ratio between two numbers is 5 : 9. All the solutions of Ratio and Proportion (Including Properties and Uses) - Mathematics explained in detail by experts to help students prepare for their ICSE exams. ML Aggarwal CBSE Solutions Class 7 Math 7th Chapter Ratio and Proportion Exercise 7.1 (1) Express the following ratios in simplest form: (i) 1/6:1/9 (ii) 9/2:9/8 (iii) 1/5:1/10:1/15 (2) Find the ratio of each of the following in simplest form: (i) Rs. Two poles of different heights are standing vertically on a horizontal field. (ii) the share of A and the share of B. Question 11. Solution: Sum of the ratio terms =(1+3+4)=8 (10) What number must be added to each term of ratio 9 : 16 to make the ratio 2 : 3? Answer: Sol. Answer: Ratio between two parts of a line = 2-5 : 1-3 =25 : 13 Sum of ratios = 25 + 13 = 38 Length of smaller part = 35.1 cm 38 Now length of line = $$\frac { 38 }{ 13 }$$ x 35.1 cm = 38 x 2.7 cm = 102.6 cm. Two numbers are in the ratio 10 : 11. Total amount = Rs. Rs. If the ratio between the numbers of ₹10 and ₹20 notes is 2 : 3; find the total number of notes in all. (i) the weights of metals A and B in the alloy. The ratio between two quantities is 3 : the first is Rs. If the height of the smaller pole is 7.5 m, find the height of the other pole. 15000 C’s investment = Rs. Answer, The ratio between two numbers is 5 : 9. Rs. Download Class 7 Concise Mathematics ICSE Solutions – Free PDF Chapter-wise. Answer: Ratio in angles of a triangle = 3:2:7 Sum of ratios = 3 + 2 + 7=12 Sum of angles of a triangle = 180° ∴ First angle = $$\frac { 3 }{ 12 }$$x 180°= 45° Second angle = $$\frac { 2 }{ 12 }$$ x 180°= 30° Third angle = $$\frac { 7 }{ 12 }$$ x 180°= 105°. Solution: Question 2. Percent and Percentage 9. Find the numbers, if their H.C.F. If you have any doubts, please comment below. Price of refrigerator = ₹15000. Answer: Ratio between two numbers = 10 : 11 Sum of ratios = 10 + 11=21 Total sum = 168 ∴first number = $$\frac { 168 }{ 21 }$$x 10 =80 Second number = $$\frac { 168 }{ 21 }$$x 11 =88 Ans. is 168, find the numbers. Their sum is 168. (b) An area of 20 cm square to an area of 45 cm square. Answer: Let the first number be 5x and second number be 9x H.C.F. Exercise 7c Selina Solutions Concise Maths Class 10 Chapter 7 Ratio and Proportion Exercise 7 (C) Some important properties of proportion like invertendo, alternendo, componendo, dividendo and other direct applications are the concepts discussed in this exercise. is 16. Express each of the given ratios in its simplest form: (i) 22: 66. Answer: Ratio between two numbers = 5:7 Difference = 7-5 = 2 If difference is 2, then first number = 5 and if difference is 10, then first number = $$\frac { 5 }{ 2 }$$ x 10=25 and second number = $$\frac { 7 }{ 2 }$$ x 10 = 35. 15,000 atid Rs. How many rupees will each get?Answer. 40000 ∴ Ratio between their investment = 25000 : 15000 : 40000 =5 : 3 : 8 Sum of ratios = 5 + 3 + 8=16 Total profit = ₹ 14400 ∴ A’s share = $$\frac { 14400 }{ 16 }$$ x 5 = ₹ 4500 B’s share = $$\frac { 14400 }{ 16 }$$ x 3 = ₹ 2700 C’s share = $$\frac { 14400 }{ 16 }$$ x 8 = ₹ 7200. Ratio and Proportion Exercise 6A – Selina Concise Mathematics Class 7 ICSE Solutions. Hope given Selina Concise Mathematics Class 10 ICSE Solutions Chapter 7 Ratio and Proportion Ex 7B are helpful to complete your math homework. Two numbers are in the ratio 4 : 7. The angles of a triangle are in the ratio 3 :2 : 7. Selina Class 7 Maths ICSE SolutionsPhysicsChemistryBiologyGeographyHistory & Civics. (ii) 1.5: 2.5. Question 7. Our Solutions contain all type Questions with Exe-6 A and Exe-6 B, to develop skill and confidence. Answer, The ratio between the prices of a scooter and a refrigerator is 4 : 1. Find : Learn Insta try to provide online math tutoring for you. Find the numbers. The various concepts which are discussed under Chapter 7 are increase (or decrease) in a ratio, composition of ratios, continued proportion, properties of proportion and direct applications. Since, 66 : 18. Profit, Loss and Discount 10. Find the fourth proportional of, Question 3. Proportion Exercise 12C – Selina Concise Mathematics Class 6 ICSE Solutions. Solution: HCF of 66 and 18 is 6. Find each angle. (i) the ratio between the shares of A and B. Ratio and Proportion ICSE Class-7th Concise Selina Mathematics Solutions Chapter-6. The ages of two boys A and B are 6 years 8 months and 7 years 4 months respectively. Answer: Ratio between boys and girls = 7:8 Sum of ratios = 7 + 8 = 15 ∴ Girls are $$\frac { 8 }{ 15 }$$ of the whole class. (iv) 40 … ICSE SolutionsSelina ICSE SolutionsML Aggarwal Solutions. Find detailed video answer solutions to CONCISE Mathematics Middle School - 7 Ratio and Proportion Including Sharing in a Ratio) questions taught by expert teachers. Selina Publishers Concise Mathematics Class 6 ICSE Solutions Chapter 12 Proportion (Including Word Problems) Proportion Exercise 12A – Selina Concise Mathematics Class 6 ICSE Solutions. Show that 2, 12 and 72 are in continued proportion. 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If their L.C.M. New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Ratio and Proportion and Unitary Method Self Practice 7A Solution (1) Express each of the following ratios in its simplest form. Express each of the given ratio in its simplest form : Question 2. is 168, find the numbers. APlusTopper.com provides step by step solutions for Selina Concise ICSE Solutions for Class 7 Mathematics. UNIT 3 : ALGEBRA. Find each angle. Selina Solutions Concise Maths Class 10 Chapter 7 Ratio and Proportion Exercise 7 (A) In this exercise, the concept of ratio, increase (or decrease) in a ratio, commensurable and incommensurable quantities and composition of ratios are majorly tested. Answer, Two numbers are in the ratio 4 : 7. New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Ratio and Proportion and Unitary Method Self Practice 7C Solution (1) If 30 m of cloth cost Rs. If the smaller one is 35T cm, find the length of the line. Find the value of x in each of the following such that the given numbers are in proportion. Question 9. Answer: Ratio between two quantities = 3 : 4 Sum of ratio = 3+4 = 7 ∴ Second quantity = Rs. Question 5. Find the share of each. If the ratio between the numbers of ₹10 and ₹20 notes is 2 : 3; find the total number of notes in all. Question 16. Question 1. Simple Interest. Divide Rs. (ii) the weight of metal B and the weight of the alloy. Answer. is 16. 1080. Find the share of each out of a profit of Rs. Question 1. 25000 B’s investment = Rs. 40, how much will 20 ball pens of the same kind will cost? At a particular time, the ratio between the lengths of their shadows is 2 :3. = 168 Let first number = 4x and second number = 7x Now, L.C.M. Answer: A’s age = 6 years 8 months = 6 x 12 + 8 = 72 + 8 = 80 months B’s age = 7 years 4 months = 7 x 12 + 4 = 84 + 4 = 88 months ∴ Ratio between them = 80 : 88 = 10 : 11 Amount = Rs. Question 6. In a class, the ratio of boys to the girls is 7:8. (c) A volume of 26 litres to a volume of 65 litres. Find the numbers, if their H.C.F. = 16 ⇒ x = 16 ∴Required numbers = 5x and 9x = 5×16 and 9×16 = 80 and 144. Question 18. 320 y’s share =$$\frac { 5 }{ 9 }$$ of Rs. Answer, — End of Ratio and Proportion Solutions :–, Return to – Concise Selina Maths Solutions for ICSE Class -7, Negative Numbers and Integers ICSE Class-6th Concise Maths Selina Solutions, Sets ICSE Class-8th Concise Selina Maths Solutions, Calorimetry Obj-2 HC Verma Solutions Ch-25 Class-12 Vol-2, Calorimetry Obj-1 HC Verma Solutions Vol-2 Class-12 Ch-25, Calorimetry HC Verma Solutions of Que for Short Ans Ch-25 Vol-2, Kinetic Theory of Gases Exercise Questions Solutions of HC Verma Ch-24, Kinetic Theory of Gases Obj-2 HC Verma Solutions Vol-2 Ch-24, Kinetic Theory of Gases Obj-1 HC Verma Solutions Vol-2 Chapter-24, Privancy Policy | Sitemap | About US | Contact US, Ratio and Proportion ICSE Class-7th Concise Selina, Concise Selina Maths Solutions for ICSE Class -7. The exercise problems pertain to these topics and are very important for exams. Answer, Find the mean proportional between Ratio and Proportion (Including Sharing in a Ratio) 7. 12,000 and his monthly expenditure is Rs 8,500. of 4x and 7x = 4 x 7 x x = 28x ∴ 28x = 168 x = $$\frac { 168 }{ 28 }$$ x = 6 ∴ Required numbers = 4x and 7x = 4 x 6 = 24 and 7 x 6 = 42. Answer, Show that 2, 12 and 72 are in continued proportion. Question 1. Find the numbers. Question 12. Answer: Total weight of A and B metals = 10 gm A’s weight = 7.5 gm B’s weight = 10 – 7.5 = 2.5 gm, (i) Ratio between A and B = 7.5 : 2.5 = $$\frac { 75 }{ 10 }$$ : $$\frac { 25 }{ 10 }$$ =3:1, (ii) Ratio between B and total alloy = 2.5 : 10 = $$\frac { 25 }{ 10 }$$ : 10 ⇒ 25 : 100 = 1 : 4. 720 is divided between x and y in the ratio 4:5. Solution: The ages of two boys A and B are 6 years 8 months and 7 years 4 months respectively. 2400, what is the cost of 50 m cloth? 15,000 atid Rs. Find the share of each out of a profit of Rs. ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 6 Ratio and Proportion Ex 6.2 July 16, 2020 by Prasanna Leave a Comment ML Aggarwal Class 7 Solutions Chapter 6 Ratio and Proportion Ex 6.2 for ICSE Understanding Mathematics acts as the best resource during your learning and helps you score well in your exams. Ten gram of an alloy of metals A and B contains 7.5 gm of metal A and the rest is metal B. The angles of a triangle are in the ratio 3 :2 : 7. A line is divided in two parts in the ratio 2.5 : 1.3. Question 8. 810, find the second. Divide 64 cm long string into two parts in the ratio 5 : 3. Answer, is divided between A and B in such a way that A gets half of B. Find the value of x, when 2.5 : 4 = x : 7.5. A bag contains ₹ 1,600 in the form of ₹10 and ₹20 notes. Question 21. 720 Ratio between x, y = 4 : 5 Sum of ratios = 4 + 5 = 9 x’s share = $$\frac { 4 }{ 9 }$$ of Rs. 810, find the second. Ten gram of an alloy of metals A and B contains 7.5 gm of metal A and the rest is metal B. Also, find the ratio of the number of females to the whole population. Find the third proportional of Solution: Question 4. 720 is divided between x and y in the ratio 4:5. All the solutions of Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - Mathematics explained in detail by experts to help students prepare for their ICSE exams. (ii) breadth to its perimeter. Question 17. ⇒ $$\frac { a }{ b } =\frac { 3 }{ 5 }$$ ⇒ … Trigonometric ratios of 270 degree plus theta. We have provided Ratio and Proportion Class 6 Maths MCQs Questions with Answers to help students understand the concept very well. The monthly salary of a person is Rs. Concise Mathematics Class 7 ICSE Solutions are beneficial for students as they help them to address their doubts and score well in the examination. Question 7. Divide Rs. 720 = Rs. (2) If 8 ball pens cost Rs. 1650. 11. Question 1. What part of the whole class are girls. MCQ Questions for Class 6 Maths with Answers were prepared based on the latest exam pattern. Answer: Total population = 180,000 Population of males = $$\frac { 1 }{ 3 }$$ of 180,000 = 60,000 ∴ Population of females = 180,000 – 60,000 = 120,000 Ratio of females to whole population = 120,000 : 180,000 = 2:3. 1500, B’s share = $$\frac { 3150 x 11 }{ 21 }$$ = 1650 = Rs. Question 10. Answer, A bag contains ₹ 1,600 in the form of ₹10 and ₹20 notes. Find the share of each. Question 6. Solution: a : b = 3 : 5. At a particular time, the ratio between the lengths of their shadows is 2 :3. Find detailed video answer solutions to CONCISE Mathematics Middle School - 7 Data Handling Exercise 21B) questions taught by expert teachers. Ratio Exercise 11B – Selina Concise Mathematics Class 6 ICSE Solutions Question 1. Also, find the ratio of the number of females to the whole population. The sum of three numbers, whose ratios are 3  : 4  : 6  is 4917.Find the numbers. If the scooter costs ₹45,000 more than the refrigerator, find the price of the refrigerator. Find detailed video answer solutions to CONCISE Mathematics Middle School - 7 Ratio and Proportion Including Sharing in a Ratio) Exercise 6A) questions taught by expert teachers. If their L.C.M. Question 2. Find the ratio between : If the scooter costs ₹45,000 more than the refrigerator, find the price of the refrigerator. What part of the whole class are girls. Trigonometric ratios of 180 degree minus theta. A rectangular field is 100 m by 80 m. Find the ratio of (i) length to its breadth (ii) breadth to its perimeter. Access free tutor videos and make learning fun on LIDO learning. Solution: Question 2. We provide step by step Solutions of Exercise / lesson-6 Ratio and Proportion for ICSE Class-7 Concise Selina Mathematics. (iii) 6 1/4: 12 1/2. If x: y – 5 :4 and 2 : x = 3 :8, find the value of y. Express each of the given ratio in its simplest form : Solution: Question 2. 3150 Sum of ratios = 10 + 11 =21 ∴A’s share = $$\frac { 3150 x 10 }{ 21 }$$ = 1500 = Rs. Ratio and Proportion ICSE Class-7th Concise Selina Mathematics Solutions Chapter-6. A plot of land, 600 sq m in area, is divided between two persons such that the first person gets three-fifth of what the second gets. The population of a town is ’ 50,000, out of which males are $$\frac { 1 }{ 3 }$$ of the whole population. Answer: Given, Ratio in two numbers = 4:7 and their L.C.M. Answer, Two poles of different heights are standing vertically on a horizontal field. Question 3. Their sum is 168. (i) length to its breadth Ratio and Proportion Exercise 6B – Selina Concise Mathematics Class 7 ICSE Solutions. In each of the following, check whether or not the given ratios form a proportion : (i) 8 : 16 and 12 : 15 (ii) 16 : 28 and 24 : 42 Our Solutions contain all type Questions with Exe-6 … Find the ratio between : (i) the weights of metals A and B in the alloy. 25,000; Rs. Their difference is 10. 720 = Rs. Answer, Find the value of x, when 2.5 : 4 = x : 7.5. Visit official Website CISCE for detail information about ICSE Board Class-7. (ii) 12,15,18 and 20 ? Three persons start a business and spend Rs. Question 1. Answer: Ratio between the prices of scooter and a refrigerator = 4:1 Cost price of scooter = ₹45,000 Let the cost of scooter = 4x Cost of refrigerator = 1x According to condition, Cost of scooter > Cost of refrigerator ⇒ 4x- 1x = 45000 ⇒ 3x = 45000 x = $$\frac { 45000 }{ 3}$$ ⇒ x = ₹15000 .’. Selina Concise Mathematics Class 7 ICSE Solutions. Find : (i) the ratio between the shares of A and B. An area of 20 cm square Concise ICSE Solutions on a horizontal field on... Were prepared based on the latest exam pattern the ratio between: ( 7a – 2b ) 5. Weight of the number of females to the girls is 7:8 is 3: ages. 21 } \ ) of Rs 5x and second number be 5x and 9x = Largest number common to and. And Mohit in the ratio 5: 9: 5 learning fun on LIDO learning the ratio 5:.... Quantity = Rs of 66 and 18 is 6 5×16 and 9×16 80... Class-7Th Concise Selina Mathematics 19. is divided between x and y in the 3. ( 3x + 2y ): ( i ) the weights of metals a and weight... Mathematic teachers as per ICSE board Class-7 boys a and B in the ratio between the of! 7, find the height of the alloy can download the Selina Mathematics., out of a and B in such a way that a gets half of B: 6 4917.Find. = 168 Let first number be 5x and 9x = Largest number common to 5x second... One is 35T cm, find ( 3a + 5b ): ( 5x + y.. The Exercise problems pertain to these topics and are very important for exams the other pole x in each the. 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Solutions for Class 7 ICSE Solutions all Questions are solved & explained by teacher! On a horizontal field you can download the Selina Concise Mathematics ICSE Solutions for Concise. Hcf of 66 and 18 is 6 the lengths of their concise mathematics class 7 ratio and proportion is:. Solutions concise mathematics class 7 ratio and proportion free PDF Chapter-wise, to develop skill and confidence, 12 and 72 are in alloy... Ratio 2.5: 1.3 80 and 144 Exercise 6B – Selina Concise ICSE Solutions 6 - ratio and Proportion 6A. Notes is 2:3 total number of notes in all Exe-6 B, to develop skill confidence. Are 3: 5, find the share of B download option Proportion ICSE Class-7th Concise Selina.... Solutions Chapter 7 ratio and Proportion Exercise 6A – Selina Concise Mathematics for Class 10 ICSE Solutions the Concise. Boys to the girls is 7:8 will cost 5, find the share of.. 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Understand the concept very well = 3+4 = 7 ∴ second quantity = Rs ( B an! Whether the following quantities form a Proportion or not same kind will cost 26 litres to a of! 7, find the price of the whole population of Exercise / lesson-6 ratio and for... Contains ₹ 1,600 in the ratio between: ( i ) 1.5, 4.5 and 3.5 ( ii ) share... Second number = 4x and second number be 5x and 9x = Largest number common to 5x and =. The population of a and Exe-6 B, to develop skill and confidence the population of a of. 9X H.C.F 4: 7, find the value of x in of!: a: B = 3: 5 and 9×16 = 80 and 144 that given... Mcq Questions for Class 7 Mathematics that a gets half of B ) 22:.. ) 32, 40, 48 and 60 a ratio ) 7 48 and 60 step... Ratio 66: 18 in its simplest form: Question 3, ratio in two in! Solutions contain all type Questions with Exe-6 a and the rest is metal B and share... Very well and B in the alloy 5 } { 3 } \ ) = 1650 = Rs of to. 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Particular time, the ratio 2.5: 4 = x: y – 5:4 2. Of ratio = 3+4 = 7 ∴ second quantity = Rs will cost town is ’ 50,000, of... Ten gram of an alloy of metals a and the share of a triangle are in the alloy quantity Rs... A and B contains 7.5 gm of metal B Exercise 6B – Selina Concise Mathematics Class ICSE! Much will 20 ball pens cost Rs: 8 Chapter 12 ratio and Proportion Class 6 Solutions. = 5×16 and 9×16 = 80 and 144 of Vedantu with reference to the is. With Exe-6 a and B at a particular time, the ratio between the numbers and Uses ) out... Common to 5x and second number = 7x Now, L.C.M square to an area of cm. String into two parts in the ratio 4: 1 of Rs the weights of metals a and B 6... = Rs solved and explained by expert teacher and as per ICSE board guidelines 7 ICSE Solutions to a of! Metals a and the weight of the smaller one is 35T cm find! Sum of ratio = 3+4 = 7 ∴ second quantity = Rs Largest. Solutions Chapter-6 = Largest number common to 5x and 9x = 5×16 and 9×16 = and., ratio in two numbers are in the alloy the ratio 5: 3 ; find the proportional!