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Question

Which out of the following is an expression with numbers only?

A
5
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B
(7 × 20) 8z
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C
5 5n
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D
3x
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Solution

The correct option is A 5
In the expression (7 × 20) 8z, z is a variable.

Similarly in the expressions 3x and
5 5n, x and n are the variables respectively.

Only in the expression 5, there is no variable and it contains only number 5.

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