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GRE Practice - Data Interpretation - Set 8

DI8
  1. If 5/6 of the revenue from memoirs in 2018 was from hardcover editions, then hardcover sales for memoirs was approximately_____________.
  1. 10 million
  2. 11 million
  3. 12 million
  4. 9 million
  5. 13 million

5/6 of 21% of 2018 sales was Hardcover Memoirs = 17.5%
Amount = 17.5/100 x 62.4 Mn = 10.92Mn

  1. What is the ratio of the amount of revenue from Thriller/Mystery in 2018 to Romance in 2019?
  1. 3:2
  2. 2:3
  3. 6:5
  4. 11:9
  5. 8:5

Thriller/Mystery in 2018 was 29% of 62.4 Mn = 18.1 Mn
Romance in 2019 was 15% of 76.5 Mn = 11.47
Ratio is 18: 11.5 = 1.6:1 or 8:5

  1. If 15% of the Others category in 2018 was anthologies and it was 18% in 2019, then what was the approximate percentage growth in revenues from anthologies?
  1. 15%
  2. 16%
  3. 20%
  4. 13%
  5. 12%

In 2018, 15% of 13% of 62.4 million was Anthologies = 0.15 x 0.13 x 62.4 = 1.22 Mn
In 2019, 18% of 10% of 76.5 million was Anthologies = 0.18 x 0.10 x 76.5 = 1.38 Mn
Increase = 1.38 – 1.22 = 0.16 Mn
% increase = 0.16/1.22 x 100 = 13.11%

  1. What was the approximate percentage increase in revenues from the Young Adult category from 2018 to 2019?
  1. 70%
  2. 110%
  3. 170%
  4. 140%
  5. 270%

Young Adult category 2018 = 12.5% of 62.4 Mn = 7.8 Mn
Young Adult category 2019 = 27.5% of 76.5 Mn = 21 Mn
Increase = 21 – 7.8 = 13.2
% increase = 13.2/7.8 x 100 = 170%

  1. The drop in revenues from Romance books in 2019 compared to 2018 is closest to______.
  1. $4,125,000
  2. $1,031,000
  3. $2,062,500
  4. $1,375,000
  5. $400,000

Romance category 2018 = 25% of 62.4 Mn = 15.6 Mn
Romance category 2019 = 15% of 76.5 Mn = 11.475 Mn
Decrease = 15.6 – 11.475 = 4.125 Mn

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