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  5. GMAT SECTION 2: QUANTITATIVE

Free GMAT GMAT SECTION 2: QUANTITATIVE Exam Braindumps (page: 24)

Page 24 of 182
PDF with 745 Questions

A 48 gallon solution of salt and water is 10% salt. How many gallons of water must be added to the solution in order to decrease the salt to 8% of the volume?

  1. 8
  2. 12
  3. 13
  4. 14
  5. 16

Answer(s): B

Explanation:

Solve a combined average problem:



The “Racing magic” takes 120 seconds to circle the racing track once. The “Charging bull” makes 40 rounds of the track in an hour. If they left the starting point together, how many minutes will it take for them to meet at the starting point for the second time?

  1. 3
  2. 6
  3. 9
  4. 12
  5. 15

Answer(s): D

Explanation:

The rate of the “racing magic” is 40 rounds per hour, or 1 round every 1.5 minutes. The rate of the “Charging bull” is 1 round every 120 seconds, or 1 round every 2 minutes.
The best way to solve such a question is to find the least common denominator between the two rates. At that point, they will meet for the first time, and when multiplied by 2, we find the second time they meet: 1/2↔ 1/1.5= 3/6↔ 4/6. They will meet for the first time after 6 minutes and for the second time after 12 minutes.



A restaurant spends one quarter of its monthly budget for rent and half of the rest for food and beverages. What percentage of the budget does the restaurant spend for food and beverages?

  1. 23.5%
  2. 32.5%
  3. 35%
  4. 37.5%
  5. 75%

Answer(s): D

Explanation:

After spending one quarter of the budget on rent, 75% is left, of that half = 37.5% is spent for food and beverages.



If x oranges cost as much as y peaches do, and peaches cost 24 cents each, how many dollars does each orange cost?

  1. 2400/(xy)
  2. 24y/x
  3. 100y/24x
  4. 24y/100x
  5. y/24x

Answer(s): D

Explanation:

Compare x oranges to y peaches at the price of 24 cents per peach. Divide by 100 to receive the amount in dollar:



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