AR - Letter numbers — task. Mathematics CBSE, Class 7 New.

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In the question given below, a statement of Assertion (A) is followed by a statement of Reason (R). Find the correct option.

Assertion (A): Every algebraic expression has at most one letter-numbers.

Reason (R): A letter-number is a symbol used to represent an unknown value in an expression.

Both assertion and reason are true and the reason is the correct explanation of assertion.
Both assertion and reason are true but the reason is not the correct explanation of the assertion.
Assertion is true and the reason is false.
Assertion is false and the reason is true.

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1. AR - Letter numbers

Exercise condition: