- Rational Numbers
- Powers
- Squares and Square Roots
- Cube and Cube Roots
- Playing with Numbers
- Algebraic Expressions and Identities
- Factorization
- Division of Algebraic Expressions
- Linear Equation in One Variable
- Direct and Inverse Variations
- Time and Work
- Percentage
- Profit Loss Discount and Value Added Tax
- Compound Interest
- Understanding Shapes Polygons
- Understanding Shapes Quadrilaterals
- Understanding Shapes Special Types Quadrilaterals
- Practical Goemetry
- Visualising Shapes
- Area of Trapezium and Polygon
- Volume Surface Area Cuboid Cube
- Surface Area and Volume of Right Circular Cylinder
- Classification And Tabulation Of Data
- Classification And Tabulation Of Data Graphical Representation Of Data As Histograms
- Pictorial Representation Of Data As Pie Charts Or Circle Graphs
- Data Handling Probability
- Introduction To Graphs
RD Sharma Solutions Class 8 Mathematics Solutions for Data Handling Probability Exercise 26.1 in Chapter 26 - Data Handling Probability
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A die thrown. Find the probability of getting:
(i) a prime number
(ii) 2 or 4
(iii)a multiple of 2 or 3
(i) Outcomes of a die are: 1, 2, 3, 4, 5, 5 and 6 Total number of outcome = 6
Prime numbers are: 1, 3 and 5 Total number of prime numbers = 3
Probability of getting a prime number = Total prime numbers/Total number of outcomes
= 3/6
= 1/2
∴ Probability of getting a prime number = 1/2
(ii) Outcomes of a die are: 1, 2, 3, 4, 5, 5 and 6 Total number of outcome = 6
Probability of getting 2 and 4 is Total numbers/Total number of outcomes
= 2/6
= 1/3
∴ Probability of getting 2 and 4 is 1/3
(iii) Outcomes of a die are: 1, 2, 3, 4, 5, 5 and 6 Multiples of 2 and 3 are = 2, 3, 4 and 6
Total number of multiples are 4
Probability of getting a multiple of 2 or 3 is Total numbers/Total number of outcomes
= 4/6
= 2/3
∴ Probability
of getting a multiple of 2 or 3 is 2/3
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