GMAT Quantitative Reasoning Practice Test 4

Question : 15 of 100

Marks: +1, -0

In a recent survey, Q people were asked whether they eat after 22:00 o’clock. 25 percent of the people answered positively and 40 percent of the rest were asked, at what time do they get up in the morning. Which of the following expressions represents the number of people who do not eat after

22: 00

and were not asked about the time they get up in the morning?

$3 Q \/ 20$
$Q \/ 10$
$5 Q \/ 9$
$3 Q \/ 10$
$9 Q \/ 20$

Validate

Solution:

75 Q {/} 100

is the number of people who eat after

22: 00.60 \%

of that number is the number of people who weren't asked upon, when do they get up at the morning.

60 ×(75 Q {/} 100) {/} 100=45 Q {/ }100=9 Q {/ }20

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