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The table shows the number of pages in each of 5 textbooks. What is th
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Bunuel
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The table shows the number of pages in each of 5 textbooks. What is th [#permalink] New post  07 Dec 2018, 01:32
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The table shows the number of pages in each of 5 textbooks. What is the greatest possible value of x for which the average (arithmetic mean) number of pages of the 5 textbooks is equal to the median number of pages of the 5 textbooks?

A. 400
B. 450
C. 500
D. 550
E. 600

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The table shows the number of pages in each of 5 textbooks. What is th [#permalink] New post  07 Dec 2018, 02:00
Bunuel wrote:
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The table shows the number of pages in each of 5 textbooks. What is the greatest possible value of x for which the average (arithmetic mean) number of pages of the 5 textbooks is equal to the median number of pages of the 5 textbooks?

A. 400
B. 450
C. 500
D. 550
E. 600

Show Spoiler
Attachment:
table.png


the avg is = 2000+x/5

at value x=450 we get mean as 490 which would be equal to median 490 of the set ( 450,480,490,510,520).. least value would be 450 and greatest would be 550

( 480,490,510,520,550)
avg = 2000+550/5 = 510
IMO D
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AyushAgrawal1005
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Re: The table shows the number of pages in each of 5 textbooks. What is th [#permalink] New post  02 Jan 2020, 21:27
Wouldnt it be better to take options and solve the question?
Or is there any equation for it
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Re: The table shows the number of pages in each of 5 textbooks. What is th [#permalink]
02 Jan 2020, 21:27
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