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Question

How many variables are there in the expression (xy + 5)?

A
1
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B
2
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C
3
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Solution

The correct option is B 2
Variables are the unknown quantities which can be denoted by the letters such as x. The value of a variable is not fixed.
In the given expression, x and y are variables and 5 is constant.

Number of variables in the given expression = 2

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