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Math Revolution GMAT Instructor
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Math Revolution GMAT Instructor
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Re: Among integers from 1 to 50, inclusively, what is the number of the mu [#permalink]
Expert Reply
[GMAT math practice question]

In the figure below, what is \(x\)?

A. \(3\)

B. \(4\)

C. \(5\)

D. \(6\)

E. \(7\)

Attachment:
1.22ps.png
1.22ps.png [ 16.2 KiB | Viewed 2356 times ]
Math Revolution GMAT Instructor
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Re: Among integers from 1 to 50, inclusively, what is the number of the mu [#permalink]
Expert Reply
MathRevolution wrote:
[GMAT math practice question]

In the figure below, what is \(x\)?

A. \(3\)

B. \(4\)

C. \(5\)

D. \(6\)

E. \(7\)

Attachment:
1.22ps.png


=>

Since ∠CDA = 70 (from 180 - 110) and ∠CAD = 70, triangle ACD is an isosceles triangle and we have AC = CD.
Since ∠CAB = 110 (from 180 - 70) and ∠ABC = 35, we have ∠ACB = 35, triangle ABC is an isosceles triangle and we have AB = AC.
Thus we have AB = AC = CD.
Then we have x = 3 since AB = 3.

Therefore, A is the answer.
Answer: A
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Re: Among integers from 1 to 50, inclusively, what is the number of the mu [#permalink]
Bunuel, hi.

Same, not sure this is a "Probability" one, but rather "Consecutive Integers" and/or "Number Properties"?
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Re: Among integers from 1 to 50, inclusively, what is the number of the mu [#permalink]
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DealMakerOne wrote:
Bunuel, hi.

Same, not sure this is a "Probability" one, but rather "Consecutive Integers" and/or "Number Properties"?

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Edited the tags. Thank you.
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Re: Among integers from 1 to 50, inclusively, what is the number of the mu [#permalink]
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Re: Among integers from 1 to 50, inclusively, what is the number of the mu [#permalink]
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