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  5. GMAT SECTION 2: QUANTITATIVE

Free GMAT GMAT SECTION 2: QUANTITATIVE Exam Questions (page: 35)

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PDF with 745 Questions

An Ameba is an organic life form that divides into two Amebas each round hour. If at a certain round hour, two Amebas were placed in a jar, how many Amebas will be in the jar in N hours?

  1. 2N
  2. 22N
  3. 2N+1
  4. 2N-1
  5. 2N

Answer(s): C

Explanation:

Let’s find the number of Amebas in the first hours. After one hour (N=1) there will be 4 Amebas.
After two hours (N=2) there will be 8 Amebas. After three hours (N=3) there will be 16 amebas. Therefore the formula that fits this series is 2N+1.



Alfa, Beta and Gamma are inner angles in a triangle. If Alfa = Beta + Gamma, what can’t be the size of Beta?

  1. 44 degrees.
  2. 45 degrees.
  3. 89 degrees.
  4. 90 degrees.
  5. There isn’t enough data to determine.

Answer(s): D

Explanation:

If Beta is 90 degrees than Alfa is bigger than 90 and the sum of the angles in the triangle will be bigger than 180 degrees.



In a triangle, one side is 6 Cm and another side is 9 Cm. which of the following can be the perimeter of the triangle?

  1. 18.
  2. 25.
  3. 30.
  4. 32.
  5. 34.

Answer(s): B

Explanation:

The third side of the triangle is larger than 3 (The difference between the other two) and smaller than 15 (The sum of the other two).
The perimeter is between (6+9+3 = 18) and (6+9+15 = 30). The only answer that is in this range is B.



To which of the following shapes the area can’t be calculated if the perimeter is given?

  1. Circle.
  2. An isosceles right triangle.
  3. Rectangle.
  4. A regular Hexagon.
  5. Square.

Answer(s): C

Explanation:

The perimeter of a rectangle is 2a + 2b. In order to calculate the area we need to know the multiplication of a x b.



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