GMAT Section 2 Quantitative

GMAT Section 2 Quantitative practice questions, page 25 of 29, with answer review and explanations.

Question 121

Chandler is building a fence in the following method: He grounds 10 poles, each 10 Cm thick, in 1 meter spaces from each other. He then connects the poles with a barbed wire. What is the total length of the fence?

  1. 11.
  2. 12.
  3. 9.9.
  4. 10.
  5. 13.

Question 122

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.

Question 123

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 stocks 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.

Question 124

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

Question 125

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.