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- Playing with numbers Exercise 2.1
- Playing with numbers Exercise 2.8
- Playing with numbers Exercise 2.2
- Playing with numbers Exercise 2.3
- Playing with numbers Exercise 2.4
- Playing with numbers Exercise 2.5
- Playing with numbers Exercise 2.6
- Playing with numbers Exercise 2.7
- Playing with numbers Exercise 2.9
- Playing with numbers Exercise 2.10
- Playing with numbers Exercise 2.11
- Knowing your numbers
- Playing with numbers
- Whole Numbers
- Operations on whole numbers
- Negative number and integers
- Fractions
- Decimals
- Introduction to Algebra
- Ratio, Proportion and Unitary Method
- Basic Geometrical Concepts
- Angles
- Triangles
- Circles
- Pair of Lines and Transversal
- Understanding Three Dimensional Shapes
- Symmetry
- Basic Geometrical Tools
- Geometrical Constructions
- Mensuration
- Data Handling Presentation Of Data
- Data Handling – II
- Data Handling Bar Graphs
RD Sharma Solutions Class 6 Mathematics Solutions for Playing with numbers Exercise 2.3 in Chapter 2 - Playing with numbers
Question 1 Playing with numbers Exercise 2.3
What are prime numbers? List all primes between 1 and 30.
Answer:
A number is called a prime number if it has no factor other than 1 and the number itself.
For example 2, 3, 5, 7, 11 and 13 are prime numbers.
The list of primes between 1 and 30 are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.
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