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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
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Write all prime numbers between:
(i)10 and 50
(ii)70 and 90
(iii)40 and 85
(iv)60 and 100
Answer:
(i)The prime numbers between 10 and 50 are11, 13, 17, 19, 23, 29, 31, 37, 41, 43 and 47.
(ii)The prime numbers between 70 and 90 are71, 73, 79, 83 and 89.
(iii)The prime numbers between 40 and 85 are41, 43, 47, 53, 59, 61, 67, 71, 73, 79 and 83.
(iv)The prime numbers between 60 and 100 are61, 67, 71, 73, 79, 83, 89 and 97.
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