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31 Jul 2019, 10:11
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C
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Difficulty:
35%
(medium)
Question Stats:
59% (01:07) correct
41%
(01:04)
wrong
based on 102
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In his first year of employment, Mr. Downing earned $20,000. How much did Mr. Downing earn last year?
(1) Each year, Mr. Downing earns 10 percent more than he did during the previous year.
(2) Last year, Mr. Downing earned $2,000 more than he did during the previous year.
(1) Each year, Mr. Downing earns 10 percent more than he did during the previous year.
(2) Last year, Mr. Downing earned $2,000 more than he did during the previous year.
31 Jul 2019, 10:43
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Bunuel
In his first year of employment, Mr. Downing earned $20,000. How much did Mr. Downing earn last year?
(1) Each year, Mr. Downing earns 10 percent more than he did during the previous year.
(2) Last year, Mr. Downing earned $2,000 more than he did during the previous year.
(1) Each year, Mr. Downing earns 10 percent more than he did during the previous year.
(2) Last year, Mr. Downing earned $2,000 more than he did during the previous year.
Given: In his first year of employment, Mr. Downing earned $20,000.
Asked: How much did Mr. Downing earn last year?
(1) Each year, Mr. Downing earns 10 percent more than he did during the previous year.
Earning last year = 1.1 * earning previous year
No dollar amount is provided.
NOT SUFFICIENT
(2) Last year, Mr. Downing earned $2,000 more than he did during the previous year
Earning last year = $2000 + Earning previous year
Dollar amount of earning previous year is not provided.
NOT SUFFICIENT
Combining (1) & (2)
(1) Each year, Mr. Downing earns 10 percent more than he did during the previous year.
Earning last year = 1.1 * earning previous year
(2) Last year, Mr. Downing earned $2,000 more than he did during the previous year
Earning last year = $2000 + Earning previous year
Earning last year = 1.1 * earning previous year = $2000 + Earning previous year
Earning previous year = $20,000
Earning last year = $22,000
SUFFICIENT
IMO C
31 Jul 2019, 12:04
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In the first year, Mr. Downing earned $20,000. We are to find out how much he earned in the previous year.
1. He earns 10% more each year than he earns in the previous year. This is insufficient because we have no idea how many years he has been working so that we can compound it to the previous year.
2. He earns $2,000 more than he did in the previous year. This is also insufficient because we don’t know how much he earned the year preceding the previous year so we can add the $2,000 to it.
1+2
Yearly increment is 10% and the increment for the previous year is $2,000.
If X is the amount he earned in the year preceding the previous year, then
2000=(10/100)*X
Meaning X=$20,000.00
This means that the preceding year before the previous year was his first year.
His earning last year =110*20,000/100 =$22,000.00.
The answer is therefore C.
Posted from my mobile device
1. He earns 10% more each year than he earns in the previous year. This is insufficient because we have no idea how many years he has been working so that we can compound it to the previous year.
2. He earns $2,000 more than he did in the previous year. This is also insufficient because we don’t know how much he earned the year preceding the previous year so we can add the $2,000 to it.
1+2
Yearly increment is 10% and the increment for the previous year is $2,000.
If X is the amount he earned in the year preceding the previous year, then
2000=(10/100)*X
Meaning X=$20,000.00
This means that the preceding year before the previous year was his first year.
His earning last year =110*20,000/100 =$22,000.00.
The answer is therefore C.
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