Back to Library

Logic and Reasoning Fundamentals

Logic

A challenging collection of logical reasoning and classification questions designed for primary school students.

math reasoning classification

12 Questions Hard Ages 5+ Aug 15, 2026

Practice Test PDF Answer Key PDF

Choose a Study Format

Quiz

Test your knowledge with multiple-choice questions and instant feedback.

Flashcards

Flip through cards to review terms, definitions and key concepts.

True or False

Quickly decide if statements are true or false to reinforce understanding.

Match Game

Race against time to match questions with their correct answers.

Study Guide

Read through all topics and answers as a comprehensive study reference.

Listen Mode

Listen to questions and answers read aloud — great for audio learners on the go.

Embed This Study Set

Add this interactive study set to your website or blog — all 6 formats included.

<div data-quixly-id="5739"></div>
<script src="https://www.quixlylearn.com/assets/embed/widget.js"></script>

Learn more about embedding →

About this Study Set

This study set covers Logic through 12 practice questions. A challenging collection of logical reasoning and classification questions designed for primary school students. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 12 questions from the Logic and Reasoning Fundamentals study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which of the following describes a set that is mutually exclusive?

A Red things and round things
B Even numbers and odd numbers
C Tall buildings and old buildings
D Happy people and singing people

2 If 'A' is greater than 'B', and 'B' is greater than 'C', which statement must be true?

A A is equal to C
B C is greater than A
C A is greater than C
D B is smaller than C

3 What is the logical term for a sequence of numbers where each term is found by adding a constant value?

A Arithmetic progression
B Random set
C Geometric sequence
D Variable group

4 In a logic puzzle, if 'All cats are mammals' and 'All mammals have lungs', what is the necessary conclusion?

A All cats have lungs
B All animals with lungs are cats
C Only cats have lungs
D No cats have lungs

5 Which sequence follows the rule of doubling the previous number?

A 2, 4, 6, 8
B 1, 2, 4, 8
C 2, 3, 5, 8
D 1, 3, 9, 27

6 A polygon that has exactly three sides and three angles is defined as a:

A Quadrilateral
B Pentagon
C Triangle
D Hexagon

7 What is the missing number in the sequence 100, 95, 85, 70, ?

A 60
B 55
C 50
D 45

8 Which of these is the most specific classification for a square?

A Shape
B Polygon
C Quadrilateral
D Rectangle

9 If a statement is 'true' only when both parts are true, it is known as which logical operator?

A AND
B OR
C NOT
D XOR

10 Which property of addition states that the order of the numbers does not change the sum?

A Associative
B Distributive
C Commutative
D Identity

11 In a group of 10 students, 6 wear glasses and 4 do not. What is the probability of picking a student who wears glasses?

A 0.4
B 0.5
C 0.6
D 0.7

12 A contradiction occurs when:

A Two ideas are different
B Two statements cannot both be true
C One statement proves another
D A pattern is repeated

📱

Study on the go

Download Quixly and access all study formats on your phone — anywhere, anytime.