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# questions involving '0' (zero)

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Manager
Joined: 10 Mar 2004
Posts: 64

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Location: Dallas,TX
questions involving '0' (zero) [#permalink]

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29 Jul 2004, 11:47
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Hi all,

Can some body throw some light on tricky ques. involving '0'.
I got caught in a couple of ques. involving zero......like

1. What is mod(0) ?...... it should be 0

2. Does GMAT conside '0' as non-negative integer ? I think that is what it should be considered.

3. What is 0^0....... It should be 0.

4. If there is a question of "All Integers.......", and then the given eqn. should be equally applicable to '0' as well....... though sometimes i feel the eqn. may not make sense.....

The flow gets distorted by such simple but tricky questions.

Can you guys remember some more such questions involving '0'.

Hope I make some sense here..... though not sure

Any more inputs or anybody wants to discuss on this.

TIA.

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GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5032

Kudos [?]: 452 [0], given: 0

Location: Singapore

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30 Jul 2004, 02:00
mod(0) = 0

0 is neither positive nor negative, that is why we tend to
equate equations to 0 as this is the only number that seperate
positives from negatives

0^0 = 0, not 1

I didn't get what you were trying to ask in Q4.

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Senior Manager
Joined: 26 Jan 2004
Posts: 400

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Location: India

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30 Jul 2004, 05:05
0^0 is not defined,

4th question: An equation that is valid for all the integers should be valid for Zero, the only exception is division, where denominator cannot be Zero.

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Manager
Joined: 10 Mar 2004
Posts: 64

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Location: Dallas,TX

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30 Jul 2004, 10:19
Guys,

My intention was not to ask the answers of the 4 ques. listed below.
I just wanted to introduce a topic where others have faced these '0' related questions.

As an example,i was wrong in my understanding of 0^0, similarly if others have more such questions involving '0', and they can be discussed over here..... It will be helpful.

Thanks.

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Joined: 31 Dec 1969

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Location: Russian Federation
Concentration: Entrepreneurship, International Business
GMAT 3: 740 Q40 V50
GMAT 4: 700 Q48 V38
GMAT 5: 710 Q45 V41
GMAT 6: 680 Q47 V36
GMAT 9: 740 Q49 V42
GMAT 11: 500 Q47 V33
GMAT 14: 760 Q49 V44
WE: Supply Chain Management (Energy and Utilities)

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30 Jul 2004, 17:25
sorry, definitional thing - what is mod(0)? What does that mean?

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mod(0)   [#permalink] 30 Jul 2004, 17:25
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# questions involving '0' (zero)

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