GED Study Guide – Practice Questions & Answers (Set 2)

Mathematical Reasoning

1. What is the value of x in the equation 3x − 9 = 0?

   – x = 1

   – x = 2

   – x = 3

   – x = 4

Correct Answer: x = 3

2. A rectangle has a length of 10 units and a width of 4 units. What is its area?

   – 14 square units

   – 20 square units

   – 40 square units

   – 80 square units

Correct Answer: 40 square units

Reasoning Through Language Arts (RLA)

1. Which word best completes the sentence: She has _____ finished her assignment.

   – good

   – well

   – better

   – best

Correct Answer: well

2. What is the main idea of a paragraph?

   – A minor supporting detail

   – The topic sentence

   – The overall message or point

   – An example used by the author

Correct Answer: The overall message or point

Science

1. What gas do humans need to breathe in order to survive?

   – Carbon dioxide

   – Oxygen

   – Nitrogen

   – Hydrogen

Correct Answer: Oxygen

2. Which type of energy is stored in food?

   – Mechanical

   – Chemical

   – Thermal

   – Electrical

Correct Answer: Chemical

Social Studies

1. Who is responsible for enforcing laws in the United States?

   – Legislative branch

   – Judicial branch

   – Executive branch

   – State governments

Correct Answer: Executive branch

2. What does GDP stand for?

   – General Domestic Product

   – Gross Domestic Product

   – Government Development Plan

   – Global Domestic Percentage

Correct Answer: Gross Domestic Product

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