Question

# In which of the following option both the numbers given are abstract number?50 cm, 401 m, 4030, 402.5 Litre

Solution

## The correct option is C 30, 40An abstract number is a number which does not refer to any particular unit. For example: 20, 30,, 40, 50, etc. A concrete number is a number which refers to a particular unit and is meaningful. For example: 5 Kilogram, 2.5 Litre, 8 Metre. Here, 2.5 Litre, 50 cm and 1m may represent the capacity of the vessel, height of the cuboid and side length of the cube respectively as shown below.

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