Assertion and reasoning I — task. Maths CBSE Live product, Class 8 (2026-27).

Assertion(A): The digital root of a number is always a single digit between \(1\) and \(9\).

Reason(R): The digital root of a number is found by continuously adding its digits until only one digit remains.

Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
Assertion (A) is true but Reason (R) is false.
Assertion (A) is false but Reason (R) is true
Both Assertion (A) and Reason (R) are false.

Did you find an error?

8. Assertion and reasoning I