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Source: Official Guide for the GMAT 13th Ed. Data Sufficiency; #124 Official Guide for the GMAT 2015 14th Ed. Data Sufficiency; #124

1

An employee is paid 1.5 times the

An employee is paid 1.5 times the regular hourly rate for each hour worked in excess of 40 hours per week, excluding Sunday, and 2 times the regular hourly rate for each hour worked on Sunday. How much was the employee paid last week?

2 Explanations

1

Gravatar Jonathan , Magoosh Tutor

Hi Hersh,
We cannot assume that he/she worked 48 hours mon-sat. He/she COULD have, and then worked 6 hours Sunday.

BUT he/she could have also worked 46 hours, for example, mon-sat and 8 hours on Sunday.

Or 46.5 hours mon-sat and 7.5 Sunday or 47 hours mon-sat and 7 Sunday.

There is more than one possibility. Since the pay is different for each possibility, the statements combined are still insufficient.

Apr 14, 2015 • Comment

Hersh Bhadra

Thank you for the explanation.
I forgot to account for other possibilities.

Apr 15, 2015 • Reply

1

Gravatar Mike McGarry, Magoosh Tutor

Jan 4, 2014 • Comment

Hersh Bhadra

We cannot assume that the employee's regular work week is Monday to Saturday in which case, according to statement (2), he/she worked 48 hours for 6 days and the remaining 6 hours were worked on Sunday proving that (1) & (2) together are sufficient?

Apr 1, 2015 • Reply

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Section 6.3 Data Sufficiency

Section 6.3 Data Sufficiency

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