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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

Question 11 Playing with numbers Exercise 2.8

A merchant has 120 litres of oil of one kind, 180 litres of another kind and 240 litres of third kind. Hewants to sell the oil by filling the three kinds of oil in tins of equal capacity. What should be the greatestcapacity of such a tin?

Answer:

Prime factorization of

120 = 2 × 2 × 2 × 3 × 5

180 = 2 × 2 × 3 × 3 × 5

240 = 2 × 2 × 2 × 2 × 3 × 5

So HCF of 120, 180, 240 = 2 × 2 × 3 × 5 = 60

**Therefore, 60 litres is the greatest capacity of such a tin.**

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