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Quizzes > Self-Discovery & Identity

Smartness Test: Check Your IQ With Quick Logic Puzzles

Quick, free IQ test to gauge reasoning and memory. Instant results.

Editorial: Review CompletedCreated By: Chelly MakUpdated Aug 23, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art quiz illustration promoting a free IQ and reasoning test on a sky blue background.

This smartness test helps you check your IQ, reasoning, and pattern skills in a few minutes. You will get instant results and simple tips to improve. For extra practice, try our high iq test, see fast scores with an instant results iq test, or compare with a free online iq test.

What is the next number in the sequence: 2, 4, 6, 8, ?
10
12
9
14
This sequence increases by 2 each time, so after 8 comes 10. Arithmetic sequences add a constant difference, and here the difference is 2 each term. Recognizing consistent increments helps solve basic numeric patterns.
Hot is to cold as day is to what?
Morning
Night
Dusk
Noon
Hot and cold are direct opposites, just as day and night are antonyms in time. Analogies test relationships between words. Identifying antonyms is a common verbal reasoning task.
Which word is the antonym of 'increase'?
Rise
Grow
Decrease
Expand
The opposite of 'increase' is 'decrease,' which means to make or become smaller or fewer. Recognizing antonyms is a key skill in verbal IQ tests. This tests simple vocabulary and comprehension.
Which shape has four equal sides and four equal angles?
Rectangle
Square
Rhombus
Kite
A square has four sides of equal length and four right angles. Although a rhombus has equal sides, its angles are not all 90 degrees. Recognizing geometric properties is common in IQ-style assessments.
What is the next number in the sequence: 3, 9, 27, 81, ?
108
243
324
162
Each term is multiplied by 3 to get the next term (3×3=9, 9×3=27, etc.), so 81×3=243. Recognizing multiplicative patterns is essential in nonverbal reasoning tests.
What number replaces the question mark: 5, 11, 23, 47, ?
93
94
95
97
Each term is multiplied by 2 and then increased by 1 (5×2+1=11, 11×2+1=23, etc.). Following this rule, 47×2+1=95. This pattern is typical in logical sequence problems.
If today is Monday, what day of the week will it be in 100 days?
Wednesday
Friday
Thursday
Tuesday
100 days mod 7 days in a week equals 2, so two days after Monday is Wednesday. Modular arithmetic is often used in calendar-based reasoning questions.
Which word does not belong with the others?
Pound
Gram
Kilogram
Inch
Inch is a unit of length, whereas pound, kilogram, and gram are units of weight. Identifying the odd one out tests classification skills.
Find the next number: 2, 6, 12, 20, 30, ?
40
48
36
42
These are products of consecutive integers: 1×2=2, 2×3=6, 3×4=12, etc. The next term is 6×7=42. Numeric series based on factorial-like rules are common in advanced IQ tests.
If 72% of a number is 36, what is the number?
50
48
45
52
Let the number be x: 0.72×x=36, so x=36/0.72=50. Percent problems require converting to decimal and solving basic equations.
What letter comes next in this sequence? C, F, I, L, ?
P
Q
O
N
Each letter moves forward by three places in the alphabet: C?F?I?L?O. Recognizing consistent alphabetical shifts is a verbal-spatial reasoning skill.
In the Monty Hall problem, if you switch after the host reveals a goat, what is the probability of winning the car?
2/3
3/4
1/3
1/2
By switching, you win if your initial choice was wrong (2 out of 3 chances). Therefore, switching yields a 2/3 probability of winning. This classic probability puzzle demonstrates conditional probability.
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Study Outcomes

  1. Analyze Reasoning Patterns -

    By completing the smartness test, you'll recognize key logic sequences and pattern structures that underpin typical smartness questions.

  2. Evaluate IQ and Mental Agility -

    You'll measure your reasoning power and receive an estimated IQ score to understand where you stand in problem-solving challenges.

  3. Identify Cognitive Strengths -

    Discover which types of questions play to your strengths and pinpoint areas where you excel in reasoning and critical thinking.

  4. Enhance Problem-Solving Skills -

    Engage with diverse brainteasers to sharpen your mental agility and apply new strategies to tackle future smartness quiz challenges.

  5. Share and Compare Results -

    Learn how to interpret your how smart are u test results and compare your performance with friends for a fun, competitive twist.

Cheat Sheet

  1. Understanding the Normal IQ Distribution -

    Most IQ-based smartness tests follow a normal distribution, where scores cluster around the mean (μ) and spread by the standard deviation (σ). Use the z-score formula (z = (X − μ) / σ) to see where you fall on the bell curve - about 68% of scores lie within ±1σ. Remember the 68-95-99.7 rule as a handy mnemonic for percentile ranks.

  2. Mastering Analogical Reasoning -

    Analogies appear often in smartness quizzes to test verbal and relational reasoning, with prompts like "Bird is to Nest as Bee is to ___." Break them down by identifying relationships (function, part - whole, cause - effect) and practice with sample pairs from ETS or PrincetonReview. A simple trick: if A:B :: C:D, list how A relates to B, then apply the same logic from C to find D.

  3. Decoding Matrix and Pattern Problems -

    Raven's matrices are a staple in smarts tests, asking you to spot visual patterns in a grid of shapes. Focus on operations - rotation, reflection, addition/subtraction of elements - and work row by row. Try sketching a mini-matrix yourself to see how shapes evolve, as recommended by Cambridge's psychometrics research.

  4. Boosting Working Memory with Chunking -

    Strong working memory is vital for juggling multi-step reasoning in a smartness test. Use the chunking method - group long digit strings or terms into meaningful units (e.g., phone numbers). According to APA guidelines, practice with 7±2 items at a time to expand your mental "chunks" and recall efficiency.

  5. Applying Time-Management and Elimination Strategies -

    Smartness quizzes often have time limits, so allocate roughly 1 - 2 minutes per question and leave 10% buffer time at the end. Use the process of elimination (POE) to cross out unlikely answers first, boosting confidence when you make your final choice. Top test-prep sites like Khan Academy recommend flagging tough items, moving on, and returning if time remains.

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