GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 16 Jan 2019, 04:53

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

## Events & Promotions

###### Events & Promotions in January
PrevNext
SuMoTuWeThFrSa
303112345
6789101112
13141516171819
20212223242526
272829303112
Open Detailed Calendar
• ### The winning strategy for a high GRE score

January 17, 2019

January 17, 2019

08:00 AM PST

09:00 AM PST

Learn the winning strategy for a high GRE score — what do people who reach a high score do differently? We're going to share insights, tips and strategies from data we've collected from over 50,000 students who used examPAL.
• ### Free GMAT Strategy Webinar

January 19, 2019

January 19, 2019

07:00 AM PST

09:00 AM PST

Aiming to score 760+? Attend this FREE session to learn how to Define your GMAT Strategy, Create your Study Plan and Master the Core Skills to excel on the GMAT.

# Is a = 0? (1) ab = 0 (2) a^2 = 0

Author Message
TAGS:

### Hide Tags

Board of Directors
Joined: 01 Sep 2010
Posts: 3286
Is a = 0? (1) ab = 0 (2) a^2 = 0  [#permalink]

### Show Tags

01 Nov 2018, 04:01
Top Contributor
00:00

Difficulty:

5% (low)

Question Stats:

94% (00:14) correct 6% (00:29) wrong based on 34 sessions

### HideShow timer Statistics

Is a = 0?

(1) ab = 0
(2) $$a^2 = 0$$

_________________
Manager
Joined: 09 Jun 2018
Posts: 183
Location: United States
GPA: 3.95
WE: Manufacturing and Production (Energy and Utilities)
Re: Is a = 0? (1) ab = 0 (2) a^2 = 0  [#permalink]

### Show Tags

01 Nov 2018, 04:43
Stmt 1: a can be 0 or b can be 0, Hence Insuff. Eliminate A,D
Stmt 2: a has to be 0, Suff

Hence Option B
_________________

If you found this relevant and useful, please Smash that Kudos button!

Senior Manager
Joined: 24 Oct 2016
Posts: 262
GMAT 1: 670 Q46 V36
Is a = 0? (1) ab = 0 (2) a^2 = 0  [#permalink]

### Show Tags

01 Dec 2018, 12:24
carcass wrote:
Is a = 0?

(1) ab = 0
(2) $$a^2 = 0$$

Stmt 1:
Don't know anything about B. Not sufficient!

Stmt 2:
a = 0. Sufficient!

Therefore, Ans = B
_________________

Verb Tenses Simplified

If you found my post useful, KUDOS are much appreciated. Giving Kudos is a great way to thank and motivate contributors, without costing you anything.

Is a = 0? (1) ab = 0 (2) a^2 = 0 &nbs [#permalink] 01 Dec 2018, 12:24
Display posts from previous: Sort by