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Siddharth17
Joined: 04 Dec 2025
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Location: India
Schools: ISB '27 INSEAD Aug '27 LBS '27 HEC Sept '26
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WE:Information Technology (Finance: Investment Banking)
Schools: ISB '27 INSEAD Aug '27 LBS '27 HEC Sept '26
GMAT Focus 1: 655 Q86 V84 DI79
Posts: 20
Kudos:
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03 May 2026, 19:54
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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In a certain community, the total amount of electricity used by all of the households during a 24-hour period was x kilowatts. If during that period the average (arithmetic mean) amount of electricity used per household per hour was y kilowatts, which of the following represents the number of households in the community?
A. x/y
B. y/x
C. 24y/x
D. y/24x
E. x/24y
A. x/y
B. y/x
C. 24y/x
D. y/24x
E. x/24y
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[random-gprep:3t9pxi0o][/random-gprep:3t9pxi0o]
03 May 2026, 20:25
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Total electricity used in 24 hours = x
Average per household per hour = y
So for 1 household in 24 hours: total usage = 24y
Let number of households = n
Then total usage = n × 24y = x
So n = x / (24y)
Answer: E
Average per household per hour = y
So for 1 household in 24 hours: total usage = 24y
Let number of households = n
Then total usage = n × 24y = x
So n = x / (24y)
Answer: E
03 May 2026, 21:29
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Siddharth17
This question is discussed here: https://gmatclub.com/forum/in-a-certain ... 24866.html Hope it helps.
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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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Thank you for understanding, and happy exploring!
