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24 Jul 2025, 22:00
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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:
59% (02:18) correct
41%
(02:05)
wrong
based on 212
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The average monthly income of 14 younger workers is X, Together with 60 older workers, the average monthly income of the workers rose to Y. what is the average monthly income of the older workers?
(1) The factory's monthly budget for all salaries is 300,000$, which is 10 times the salary budget for the younger workers.
(2) The monthly income of all the workers is 10 times the younger workers income.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
(1) The factory's monthly budget for all salaries is 300,000$, which is 10 times the salary budget for the younger workers.
(2) The monthly income of all the workers is 10 times the younger workers income.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
24 Jul 2025, 22:11
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The average monthly income of 14 younger workers is X, Together with 60 older workers, the average monthly income of the workers rose to Y. what is the average monthly income of the older workers?
Sum of all incomes of all 14 younger workers = 14X
Let's assume average monthly income of 60 older workers = Z
Sum of all incomes of all 60 older workers = 60Z
(1) The factory's monthly budget for all salaries is 300,000$, which is 10 times the salary budget for the younger workers.
Insufficient,
Monthly budget doesn't tell us the actual amount of salaries paid. A budget can be $100 for a worker but salary paid can be $50 ultimately.
(2) The monthly income of all the workers is 10 times the younger workers income.
Insufficient,
We can write:
(60+14)Z = 10(14X)
Average Y can be written as:
Y = (14X + 60Z)/(74)
Combining (1) and (2),
We still can't get a value for Y and Z.
Hence, (E) is the answer.
Sum of all incomes of all 14 younger workers = 14X
Let's assume average monthly income of 60 older workers = Z
Sum of all incomes of all 60 older workers = 60Z
(1) The factory's monthly budget for all salaries is 300,000$, which is 10 times the salary budget for the younger workers.
Insufficient,
Monthly budget doesn't tell us the actual amount of salaries paid. A budget can be $100 for a worker but salary paid can be $50 ultimately.
(2) The monthly income of all the workers is 10 times the younger workers income.
Insufficient,
We can write:
(60+14)Z = 10(14X)
Average Y can be written as:
Y = (14X + 60Z)/(74)
Combining (1) and (2),
We still can't get a value for Y and Z.
Hence, (E) is the answer.
26 Jul 2025, 01:33
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here, in statement 1- i have taken the factory's monthly budget as a sum of salaries so, for all 74 workers salary = 300,000$
so salary budget for younger workers= 300,000/10= 30000(taken as sum of younger workers)
so we can get the sum of salary of older workers = 300000 - 30000 = 270000
av. monthly income of old. worker = 270000/60 - Sufficient
statement 2 - does not give any idea about salaries so Insufficient.
but i will request to expert please provide explanation so that i could know that my solution is correct or not:|
so salary budget for younger workers= 300,000/10= 30000(taken as sum of younger workers)
so we can get the sum of salary of older workers = 300000 - 30000 = 270000
av. monthly income of old. worker = 270000/60 - Sufficient
statement 2 - does not give any idea about salaries so Insufficient.
but i will request to expert please provide explanation so that i could know that my solution is correct or not:|
Bunuel
