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  5. GMAT SECTION 2: QUANTITATIVE

GMAT GMAT SECTION 2: QUANTITATIVE Exam
GMAT Section 2: Quantitative (Page 28 )

Updated On: 12-Feb-2026
Page 28 of 147
PDF with 745 Questions

What is the sum of all the even numbers bigger than (-10) and smaller than 12?

  1. 2.
  2. 10.
  3. 0.
  4. 8.
  5. 4.

Answer(s): B

Explanation:

This is a series of numbers with a constant spacing between them.
The first number is (-8) and the last is (10), there are 10 numbers altogether. The formula for such a series is: ((-8 + 10) x 10)/2 = 10.
The second way to answer such a question is to write the numbers and add them.



The value of an “Aerosoul” stock changes according to the following method:
At the end of each month her value is doubled but due to commission the stock’s value is decreases by $10. If the value at the beginning of January is $A, what would be her value at the end of February?

  1. 4A – 10.
  2. 4A – 20.
  3. 4A – 30.
  4. 4A – 40.
  5. 4A – 50.

Answer(s): C

Explanation:

At the end of January her value is 2A – 10.
At the end of February her value is (2 x (2A – 10) – 10 = 4A – 30).



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.






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