Free Practice Question
PS · Problem Solving
705-805
Fractions/Ratios/Decimals
There are 2 kinds of staff members in a certain company, PART TIME AND FULL TIME. 25 percent of the total members are PART TIME members others are FULL TIME members. The work time of part time members is 3/5 of the full time members. Wage per hour is same. What is the ratio of total wage of part time members to total wage of all members.
Answer Choices
Correct answer marked belowA
1/4
B
1/5
1/6
Correct
D
1/7
E
1/8
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Explanation
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Official Explanation
Official
Just plug in.
Assuming there are 100 employees:
- 25% are PT = 25
- 75% are FT = 75
Assume that the total number of hours FT employees have to work = 10.
PT will work =
Since the wages are the same, there will be no effect on ratios.…
Assuming there are 100 employees:
- 25% are PT = 25
- 75% are FT = 75
Assume that the total number of hours FT employees have to work = 10.
PT will work =
Since the wages are the same, there will be no effect on ratios.…
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What it tests
Your ability to convert between fractions, ratios, and decimals and to reason proportionally.
Common trap
Cross-multiplying incorrectly or mixing up the ratio parts — a part:part ratio is not a fraction of the whole.
Details
Difficulty
705-805
Type
PS
Category