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mbaaspirant80
Joined: 14 Apr 2017
Last visit: 26 Aug 2020
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Location: India
sandeep : sharma
Concentration: International Business, Entrepreneurship
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Updated on: 07 May 2024, 09:54
Originally posted by mbaaspirant80 on 31 Aug 2017, 08:49.
Last edited by Bunuel on 07 May 2024, 09:54, edited 17 times in total.
Last edited by Bunuel on 07 May 2024, 09:54, edited 17 times in total.
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For the two countries with the greatest total ore tonnage, zinc deposits in tons are more than 1.5 times lead deposits in tons: True
Exactly half of the countries with a lead grade percentage of 2% or greater have zinc grade percentages below the median zinc grade level.: True
Disregarding units, the range for total ore tonnage is greater than the range for average age.: True
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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57% (03:35) correct
43%
(03:28)
wrong
based on 368
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According to the United States Geological Survey, the 12 countries listed have substantial zinc-lead deposits. The category total deposits refers to the number of distinct locations where deposits can be found. The average age of the deposits is given in millions of years (MY). The total ore tonnage of deposits in each country is given in millions of metric tons (mm). Finally, the zinc grade and lead grade figures represent the percentage of the total ore tonnage that is made up of the metal in question (zinc or lead).
(Sort ↕ the table by clicking on the headers)
For each of the following statements, select True if the statement is true based on the information provided; otherwise, select False.
| Country | Total Deposits | Average Age (MY) | Total Ore Tonnage (mm) | Zinc Grade (%) | Lead Grade (%) |
|---|---|---|---|---|---|
| Australia | 38 | 1,137 | 1939.5 | 6.97 | 4.39 |
| Canada | 72 | 662 | 1746.5 | 5.54 | 2.44 |
| China | 45 | 622 | 1698.1 | 4.63 | 1.62 |
| Germany | 5 | 275 | 336.2 | 3.55 | 2.00 |
| India | 19 | 1,791 | 575.3 | 4.06 | 1.03 |
| Iran | 10 | 402 | 470.3 | 5.37 | 1.96 |
| Kazakhstan | 14 | 439 | 551.6 | 3.40 | 1.46 |
| Mexico | 22 | 38 | 456.7 | 4.09 | 2.53 |
| Peru | 14 | 15 | 1104.9 | 3.86 | 1.41 |
| Russia | 12 | 551 | 916.6 | 3.86 | 3.01 |
| South Africa | 7 | 1,771 | 447.7 | 3.81 | 1.62 |
| United States | 65 | 346 | 2464.8 | 3.88 | 2.38 |
For each of the following statements, select True if the statement is true based on the information provided; otherwise, select False.
| True | False | |
| For the two countries with the greatest total ore tonnage, zinc deposits in tons are more than 1.5 times lead deposits in tons | ||
| Exactly half of the countries with a lead grade percentage of 2% or greater have zinc grade percentages below the median zinc grade level. | ||
| Disregarding units, the range for total ore tonnage is greater than the range for average age. |
ShowHide Answer
Official Answer
For the two countries with the greatest total ore tonnage, zinc deposits in tons are more than 1.5 times lead deposits in tons: True
Exactly half of the countries with a lead grade percentage of 2% or greater have zinc grade percentages below the median zinc grade level.: True
Disregarding units, the range for total ore tonnage is greater than the range for average age.: True
21 Feb 2024, 06:19
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Bunuel MartyMurray GMATNinja , I think the answer for the second question will be "true" and not "False".Request you to review and confirm.
24 Feb 2024, 00:11
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sayan640
The median Zinc grade % is 3.97
Exactly half of the countries with a lead grade percentage of 2% or greater. These are a total of 6 half of which is 3 and among the 6 countries, 3 have zinc grade percentages above the median zinc grade level. Hence the answer is true. Countries having a Zinc lead of 2% or greater and Zinc grade % more than the medium value are Australia, Mexico, and Canada.
