## RS Aggarwal Class 8 Math Twenty-Five Chapter Probability Exercise 25B Solution

RS Aggarwal Class 8 Math Twenty-Five Chapter Probability Exercise 25B Solution EXERCISE 25B OBJECTIVE QUESTIONS Tick (√) the correct answer in each of the following: (1) In a spinning wheel, there are 3 white and 5 green sectors. It is spinned. What is the probability of getting a green sector? Ans: (b) 5/8 Solution: Total […]

## RS Aggarwal Class 8 Math Twenty-Five Chapter Probability Exercise 25A Solution

RS Aggarwal Class 8 Math Twenty-Five Chapter Probability Exercise 25A Solution EXERCISE 25A (1) (i) A coin is tossed. What are all possible outcomes? Ans: All possible outcomes are Head (H) and Tail (T). (ii) Two coins are tossed simultaneously. What are all possible outcomes? Ans: HH, HT, TH, TT. (iii) A die is thrown. […]

## RS Aggarwal Class 8 Math Twenty-Four Chapter Pie Charts Exercise 24B Solution

RS Aggarwal Class 8 Math Twenty-Four Chapter Pie Charts Exercise 24B Solution EXERCISE 24B OBJECTIVE QUESTIONS Tick (√) the correct answer in each of the following: (1) A man’s monthly salary is Rs 24000 and his monthly expenses on travel are Rs 2500. The central angle of the sector representing travel expenses in the pie […]

## RS Aggarwal Class 8 Math Twenty-Four Chapter Pie Charts Exercise 24A Solution

RS Aggarwal Class 8 Math Twenty-Four Chapter Pie Charts Exercise 24A Solution (1) The monthly income of a family is Rs 28800. The monthly expenditure of the family on various items is given below. Item Rent Food Clothing Education Savings Expenditure (in Rs) 8000 10800 5600 3600 800 Represent the above data by a pie […]

## RS Aggarwal Class 8 Math Twenty-One Chapter Data Handling Exercise 21B Solution

RS Aggarwal Class 8 Math Twenty-One Chapter Data Handling Exercise 21B Solution EXERCISE 21B (1) The marks obtained by 40 students of a class in an examination are given below:      8, 47, 22, 31, 17, 13, 38, 26, 3, 34, 29, 11, 22, 7, 15, 24, 38, 31, 21, 35, 42, 24, 45, 23, […]

## RS Aggarwal Class 8 Math Twenty-One Chapter Data Handling Exercise 21A Solution

RS Aggarwal Class 8 Math Twenty-One Chapter Data Handling Exercise 21A Solution EXERCISE 21A (1) The number of members in 20 families are given below: 4, 6, 5, 5, 4, 6, 3, 3, 5, 5, 3, 5, 4, 4, 6, 7, 3, 5, 5, 7 Prepare a frequency distribution of the data. Solution: Arrange the […]

## RS Aggarwal Class 8 Math Twentieth Chapter Volume and Surface Area of Solids Exercise 20C Solution

RS Aggarwal Class 8 Math Twentieth Chapter Volume and Surface Area of Solids Exercise 20C Solution EXERCISE 20C OBJECTIVE QUESTIONS Tick (√) the correct answer in each of the following: (1) The maximum length of a pencil that can be kept in a rectangular box of dimensions 12 cm × 9 cm × 8 cm, […]

## RS Aggarwal Class 8 Math Twentieth Chapter Volume and Surface Area of Solids Exercise 20B Solution

RS Aggarwal Class 8 Math Twentieth Chapter Volume and Surface Area of Solids Exercise 20B Solution EXERCISE 20B (1) Find the volume, curved surface area and total surface area of each of the cylinders whose dimensions are: (i) Radius of the base = 7 cm and height = 50 cm (ii) Radius of the base […]

## RS Aggarwal Class 8 Math Twentieth Chapter Volume and Surface Area of Solids Exercise 20A Solution

RS Aggarwal Class 8 Math Twentieth Chapter Volume and Surface Area of Solids Exercise 20A Solution EXERCISE 20A (1) Find the volume, lateral surface area and the total surface area of the cuboid whose dimensions are: (i) Length = 22 cm, breadth = 12 cm and height = 7.5 cm Solution: Volume of the cuboid […]

## RS Aggarwal Class 8 Math Nineteenth Chapter Three-Dimensional Figures Exercise 19B Solution

RS Aggarwal Class 8 Math Nineteenth Chapter Three-Dimensional Figures Exercise 19B Solution EXERCISE 19B (1) Define Euler’s relation between the number of faces, number of edges and number of vertices for various 3-dimensional figures. Ans: In a 3-dimensional figure, let the number of faces be F; the number of edges be E and the number […]