If \(X=373^p\cdot 426^q,\) where \(p\) and \(q\) are positive integers, what is the units digit of \(X?\)

M7MBA: Moderator; Posts: 2058; Joined: Sun Oct 29, 2017 4:24 am; Thanked: 1 times; Followed by:5 members

by M7MBA » Sun Feb 14, 2021 2:45 pm

Timer

00:00

Your Answer

Global Stats

If \(X=373^p\cdot 426^q,\) where \(p\) and \(q\) are positive integers, what is the units digit of \(X?\)

(1) \(p^2+2pq+q^2=36\)
(2) \(p = 2\)

Answer: B

Source: e-GMAT

Quote

Data Sufficiency

If \(X=373^p\cdot 426^q,\) where \(p\) and \(q\) are positive integers, what is the units digit of \(X?\)

This topic has expert replies

If \(X=373^p\cdot 426^q,\) where \(p\) and \(q\) are positive integers, what is the units digit of \(X?\)

Timer

Your Answer

Global Stats