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Which of the following represent positive numbers?

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Which of the following represent positive numbers?  [#permalink]

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New post 26 Sep 2016, 05:58
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A
B
C
D
E

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Question Stats:

90% (00:20) correct 10% (00:22) wrong based on 680 sessions

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Re: Which of the following represent positive numbers?  [#permalink]

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New post 26 Sep 2016, 06:16
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Bunuel wrote:
Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III


I. −3 − (−5) = 2 (positive)
II. (− 3)(−5) = 15 (positive)
III. −5 − (−3) = -2 (negative)

Answer:

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Re: Which of the following represent positive numbers?  [#permalink]

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New post 26 Sep 2016, 16:28
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Bunuel wrote:
Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III



Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III

Solution:

To determine which expression is positive, we analyze Roman numerals, I, II, and III.

I. −3 − (−5)

−3 − (−5) = - 3 + 5 = 2

I is positive.

II. (− 3)(−5)

(− 3)(−5) = 15

II is positive.

III. −5 − (−3)

−5 − (−3) = -5 + 3 = -2

III is NOT positive.

Thus, Roman numerals I and II are positive.

Answer: D
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Which of the following represent positive numbers? I. −3 − (−5) II. (  [#permalink]

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Re: Which of the following represent positive numbers? I. −3 − (−5) II. (  [#permalink]

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New post 11 Nov 2017, 12:52
Which of the following represent positive numbers?

I. −3 − (−5) = -3 + 5 = 2
II. (−3)(−5) = 15
III. −5 − (−3) = -5 + 3 = -2

Option D(I and II) are the positive numbers.
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Re: Which of the following represent positive numbers?  [#permalink]

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New post 06 Sep 2018, 09:04
1) -3+5=+2
2) (-3)(-5)=+15
3) -5+3=-2

Answer D
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Which of the following represent positive numbers?  [#permalink]

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New post 05 Jan 2019, 01:14
Note: Multiplication of two negative number is positive.
I. −3 − (−5) = 2 (positive)
II. (− 3)(−5) = 15 (positive)
III. −5 − (−3) = -2 (negative)

From above we can see that I and II both are positive.

answer: D
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Re: Which of the following represent positive numbers?  [#permalink]

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New post 08 Sep 2019, 14:56
I. −3 − (−5) = 2 (positive)
II. (− 3)(−5) = 15 (positive)
III. −5 − (−3) = -2 (negative)

Hence D.
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Re: Which of the following represent positive numbers?  [#permalink]

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New post 08 Sep 2019, 18:25
Bunuel wrote:
Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III


Asked: Which of the following represent positive numbers?

I. −3 − (−5)
-3+5=2
II. (− 3)(−5)
15
III. −5 − (−3)
-5+3=-2

IMO D

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Re: Which of the following represent positive numbers?   [#permalink] 08 Sep 2019, 18:25
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