TL;DR

Practice translating real-world scenarios into mathematical equations. Applied math skills connect classroom learning to practical electrical work.

By Valenke Exam Prep Team·Last updated 2026-06-03

Free Substitution & Word Problems Practice Questions

IBEW/NJATC Apprenticeship Aptitude Test · Algebra

This module covers Substitution & Word Problems as part of the Algebra section, testing your understanding of core concepts and their practical application.

Exam	IBEW/NJATC Apprenticeship Aptitude Test
Pass Rate	35%
Duration	97 minutes
Module	Substitution & Word Problems

Why Substitution & Word Problems matters

Substitution & Word Problems is a commonly tested topic on the IBEW/NJATC Apprenticeship Aptitude Test because it covers fundamental knowledge required for competent professional practice.

Sample Practice Questions (5)

1. A worker earns $18 per hour. After working 8 hours, how much has the worker earned?

$144
$126
$160
$136

2. A number doubled and then increased by 5 equals 31. What is the number?

13
18
15.5
26

3. Two pipes fill a tank. Pipe A fills it at 5 gallons per minute and Pipe B at 3 gallons per minute. How many minutes will it take both pipes together to fill a 120-gallon tank?

15 minutes
24 minutes
40 minutes
20 minutes

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4. A fence around a square yard uses 96 feet of fencing. What is the length of one side of the yard?

24 feet
48 feet
12 feet
32 feet

5. A tank holds 300 gallons. It is currently $ \rac{2}{3} $ full. If water is added at 10 gallons per minute, how many minutes until the tank is full?

10 minutes
20 minutes
30 minutes
100 minutes

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Frequently Asked Questions

How many Substitution & Word Problems questions are on the IBEW/NJATC Apprenticeship Aptitude Test?▼

The Algebra section, which includes Substitution & Word Problems, typically represents a significant portion of the exam. Focus on understanding core concepts rather than memorizing exact question counts, as the exam uses adaptive testing.

What is the best way to study Substitution & Word Problems?▼

Use active recall and spaced repetition rather than passive reading. Practice with realistic exam questions, review explanations for both correct and incorrect answers, and focus on understanding the reasoning behind each concept.

What topics within Substitution & Word Problems should I focus on most?▼

Focus on the concepts that appear in our practice questions and any areas where you consistently score below 70%. The adaptive practice mode will automatically target your weak areas for efficient study.