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04 Jun 2024, 01:30
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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:
75%
(hard)
Question Stats:
55% (02:28) correct
45%
(02:21)
wrong
based on 136
sessions
History
Date
Time
Result
Not Attempted Yet
Companies X and Y are direct competitors in the ecommerce business. Both the companies report the average monthly transactions of a month on the first day of the following month. On January 1, 2014, the average monthly transactions of Company X were 80,000 more than the average monthly transactions of Company Y. That day, Company Y announced attractive discounts to attract more customers. This move was successful, and the average monthly transactions of Company X fell by 10% for the months of January and February. Company Y gained all the transactions that Company X lost. What were the average monthly transactions of company Y on January 1, 2014?
(1) The average monthly transactions of company Y, at the end, were 39000.
(2) The average monthly transactions of company X fell by 9000 during February.
(1) The average monthly transactions of company Y, at the end, were 39000.
(2) The average monthly transactions of company X fell by 9000 during February.
a191291r
Joined: 20 Dec 2023
Last visit: 22 Jul 2025
Posts: 40
Given Kudos: 57
Location: India
Concentration: Finance, Leadership
Schools: INSEAD '26 ISB '27 (S) Said '27 Judge '26 LBS '26
GMAT Focus 1: 615 Q82 V81 DI79 
GMAT Focus 2: 665 Q85 V83 DI81 
WE:Operations (Other)
Let the avg monthly transactions for each of the companies in December 2013 (as reported on 1 Jan 2024) be x and y. Question is y=?.
From the stem, it is mentioned that there is a decrease in average transaction for Comnany X by 10% each month and this difference is added to average monthly transaction of company Y. We can make this table:
Evaluating statement (1): The average monthly transactions of company Y, at the end, were 39000.
Means \(y+0.19x = 39000\)
we already have \(y=x-80000\)
Sufficient as there are 2 equations and 2 variables.
Evaluating statement (2): The average monthly transactions of company X fell by 9000 during February.
Means \(0.9x-0.81x = 9000\).
\(x=100000\)
Substituting value of x in \(y=x-80000\) gives
\(y=20000\)
Therefore sufficient. ANSWER IS D
GMAT-Club-Forum-yult5967.png [ 30.99 KiB | Viewed 420 times ]
From the stem, it is mentioned that there is a decrease in average transaction for Comnany X by 10% each month and this difference is added to average monthly transaction of company Y. We can make this table:
Evaluating statement (1): The average monthly transactions of company Y, at the end, were 39000.
Means \(y+0.19x = 39000\)
we already have \(y=x-80000\)
Sufficient as there are 2 equations and 2 variables.
Evaluating statement (2): The average monthly transactions of company X fell by 9000 during February.
Means \(0.9x-0.81x = 9000\).
\(x=100000\)
Substituting value of x in \(y=x-80000\) gives
\(y=20000\)
Therefore sufficient. ANSWER IS D
Attachment:
GMAT-Club-Forum-yult5967.png [ 30.99 KiB | Viewed 420 times ]
a191291r
Joined: 20 Dec 2023
Last visit: 22 Jul 2025
Posts: 40
Own Kudos:
Given Kudos: 57
Location: India
Concentration: Finance, Leadership
Schools: INSEAD '26 ISB '27 (S) Said '27 Judge '26 LBS '26
GMAT Focus 1: 615 Q82 V81 DI79
GMAT Focus 2: 665 Q85 V83 DI81
WE:Operations (Other)
Schools: INSEAD '26 ISB '27 (S) Said '27 Judge '26 LBS '26
GMAT Focus 2: 665 Q85 V83 DI81
Posts: 40
Kudos:
43
05 Jun 2024, 00:15
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I have posted a reply on this question. Can you please confirm if it is correct? There is no OA for this post.
