GMAT Focus Quant Prep Series

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GMAT Focus Quant Prep Series - Quiz #3

This quiz is for session #3: Streamlining Nasty Arithmetic. The purpose of the quiz is only to check the preparedness of students. You will see the answers in the next section of quiz.

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Refer this table for question #1

The table shows a summary of the ticket sales from an airline’s flights in a given week. What is the difference between the maximum and the minimum ticket-sale revenue from a single flight?

$25,000

$51,000

$60,000

$90,000

$150,000

If the numbers 5/8, 7/12, 11/24, 10/18, and 17/36 were ordered from least to greatest, which of the following would be the middle number in the sequence?

5/8

7/12

11/24

10/18

17/36

What is the value of [(-3.5)(0.4) - (0.875)(1.6)] / 35

–0.8

–0.08

0.08

0.8

A certain bakery needs to make 1,200 croissants and 1,440 scones each shift. If each baker can make one croissant every 10 minutes and one scone every 20 minutes, how many bakers will the bakery need to employ to ensure that all of the baking is completed in an 8-hour shift?

192

330

If 1 < p < q < r, which of the following has the least value?

q(p + r)

r(q + 1)

q(p + 1)

q(r + 1)

p(q + 1)

For all positive integers r, the sequence Sr is given by the formula Sr = (1 / r+1) - (1/r). What is the sum of the first twenty terms of the sequence?

–22/21

–20/21

1/21

20/21

22/21

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