Discussion

Explanation:

In base 7 we can use 7 digits i.e., 0, 1, 2, 3, 4, 5 and 6.

∴ Number of 3-digit numbers = 6 × 7 × 7 = 294.

Hence, 294.

» Your doubt will be displayed only after approval.


Doubts


Feedback

Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.


© 2024 | All Rights Reserved | Apti4All