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26 Aug 2018, 06:26
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
74% (01:47) correct
26%
(01:53)
wrong
based on 193
sessions
History
Date
Time
Result
Not Attempted Yet
If the hash marks above are equally spaced, what is the value of p?
(A) \(\frac{3}{2}\)
(B) \(\frac{8}{5}\)
(C) \(\frac{24}{15}\)
(D) \(\frac{512}{125}\)
(E) \(\frac{625}{256}\)
Attachment:
Capture.PNG [ 23.87 KiB | Viewed 7338 times ]
26 Aug 2018, 06:44
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D?
Let say each part = x : so 5x = 2 hence x = 2/5
\(p^1/3\) = 4x = 8/5
p = 8*8*8/125 = 512/125
Let say each part = x : so 5x = 2 hence x = 2/5
\(p^1/3\) = 4x = 8/5
p = 8*8*8/125 = 512/125
26 Aug 2018, 09:52
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Bunuel
You may notice that 5nos. of hash marks add up to 2. Since the hash marks are equally spaced hence gap between consecutive hash marks is \(\frac{2}{5}\).
Now, \(\sqrt[3]{p}\) is situated after 4 gaps from the reference point(0).
So, \(\sqrt[3]{p}\)=\(4*\frac{2}{5}\)
Or, \(p=(\frac{8}{5})^3\) (Taking cube both sides)
Or, p=\(\frac{512}{125}\)
Ans. (D)
