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# Each of the two positive integers a and b ends with the digi

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Moderator
Joined: 18 Apr 2015
Posts: 5888
Followers: 96

Kudos [?]: 1154 [0], given: 5471

Each of the two positive integers a and b ends with the digi [#permalink]  21 Apr 2018, 03:28
Expert's post
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Question Stats:

100% (00:27) correct 0% (00:00) wrong based on 6 sessions
Each of the two positive integers a and b ends with the digit 2. With which one of the following numbers does a – b end?

(A) 0
(B) 1
(C) 2
(D) 3
(E) 4

Kudos for the right explanation and solution
[Reveal] Spoiler: OA

_________________
Director
Joined: 07 Jan 2018
Posts: 604
Followers: 7

Kudos [?]: 544 [1] , given: 88

Re: Each of the two positive integers a and b ends with the digi [#permalink]  25 Apr 2018, 01:57
1
KUDOS
a and b have the same set of numbers
probable values of $$a$$ and $$b ={2,12,22,32,42.....}$$
Whichever two set of numbers are picked from the larger set there division will always have $$0$$ as the unit digit.
option A
_________________

This is my response to the question and may be incorrect. Feel free to rectify any mistakes

Re: Each of the two positive integers a and b ends with the digi   [#permalink] 25 Apr 2018, 01:57
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