Combinations

This topic has expert replies
Legendary Member
Posts: 2241
Joined: Sun Oct 29, 2017 2:04 pm
Followed by:6 members

Combinations

by swerve » Fri Jan 12, 2024 11:27 am

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

How many \(3\)-digit integers can be chosen such that none of the digits appear more than twice, and none of the digits equal to \(0?\)

A. \(729\)
B. \(720\)
C. \(648\)
D. \(640\)
E. \(576\)

The OA is B