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Joel swims laps 50% faster than Sue.

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Joel swims laps 50% faster than Sue. [#permalink] New post   04 May 2022, 02:44
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Joel swims laps 50% faster than Sue.

Quantity A
Quantity B
The number of laps Sue swims in 80 minutes
The number of laps Joel swims in 60 minutes



A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given

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B
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Re: Joel swims laps 50% faster than Sue. [#permalink] New post   27 May 2022, 04:10
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Re: Joel swims laps 50% faster than Sue. [#permalink] New post   27 May 2022, 04:47
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Joel swims laps 50% faster than Sue.

Quantity A
Quantity B
The number of laps Sue swims in 80 minutes
The number of laps Joel swims in 60 minutes



A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given



Let Speed at which Sue swims be x laps/hr
As per the question stem, Joel swims 50% faster therefore Speed at which Joel swims is 1.5x laps/hr

The no of laps sue swims in 80 minutes i.e the distance covered by sue in 80 mins is given by Speed of Sue * Time = x laps/hr *(80/60)hrs=1.3333x

The no of laps Joel swims in 60 mins is given similarly by Speed of Joel*Time = 1.5x laps/hr*(60/60)hrs= 1.5x

Clearly quantity B is greater than A hence Option B is the answer.
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Re: Joel swims laps 50% faster than Sue. [#permalink]
27 May 2022, 04:47
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