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If the number of visitors to a certain website on the 1st of the month
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18 Aug 2021, 05:06
18 Aug 2021, 05:06
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Question Stats:
91% (01:41) correct
8% (02:05) wrong based on 12 sessions
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If the number of visitors to a certain website on the 1st of the month was 1.5 times the number of visitors on the 2nd of the month, and the number of visitors on the 3rd and 4th of the month was each 3/4 the number of visitors on the 2nd of the month, then the number of visitors on the 1st of the month was how many times the average (arithmetic mean) of the number of visitors for the first four days of the month?
(A) 3/4
(B) 5/6
(C) 1 1/2
(D) 2
(E) 2 1/2
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
(A) 3/4
(B) 5/6
(C) 1 1/2
(D) 2
(E) 2 1/2
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
Re: If the number of visitors to a certain website on the 1st of the month
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18 Aug 2021, 07:50
18 Aug 2021, 07:50
is it the average of first four days or the four months ??
Because the average of 4 months is x and the 1st month is 1.5x, so the answer is 1.5(1 1/2)
Because the average of 4 months is x and the 1st month is 1.5x, so the answer is 1.5(1 1/2)
Re: If the number of visitors to a certain website on the 1st of the month
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18 Aug 2021, 10:56
18 Aug 2021, 10:56
Expert Reply
OE
Quote:
Call the number of visitors on the 2nd x. Then, the number of visitors on the first was 1.5x. The number of visitors on the 3rd and 4th were each \(\frac{3}{4}x\).
The average number of visitors per day, then, is: \(\frac{1.5x+x+0.75x+0.75x}{4} =\frac{4x}{4} = x\)
The number of visitors on the 1st of the month was 1.5x, so that is 1.5 times the average number of visitors, x. Choice (C) is correct.
The average number of visitors per day, then, is: \(\frac{1.5x+x+0.75x+0.75x}{4} =\frac{4x}{4} = x\)
The number of visitors on the 1st of the month was 1.5x, so that is 1.5 times the average number of visitors, x. Choice (C) is correct.
