50 Best IQ Test Questions with Answers

Last updated - November 13, 2024

IQ stands for “Intelligence Quotient,” and IQ tests help assess human cognitive abilities. Solving IQ tests regularly can help refresh the brain and make it sharper and quicker.

IQ test questions are usually used to evaluate job candidates, assess educational placements, and assess cognitive abilities such as memory, speed, and attention.

In this blog, you can practice on 50+ IQ test questions of different kinds to hone your skills.

What is an IQ Test? Why is it Important?

An IQ test is a standardized form of assessment that measures a person’s range of cognitive abilities. These abilities are tested using logical reasoning, problem-solving, verbal comprehension, and arithmetical skills.

Importance of IQ tests:

  • Assessment of Cognitive Abilities
  • Enhancing academic and career success
  • Screening for competitive exams
  • Providing insights into a person’s intellectual growth

Understanding IQ Test Questions

IQ test questions are a mix of different skill sets. Let’s look into them:

  • Logical Reasoning: Logical reasoning helps understand a person’s ability to identify patterns, solve problems, and apply rules to new situations.
  • Arithmetical Reasoning: The mathematical ability and the skill to identify mathematical connections between numbers
  • Verbal Reasoning: Understanding a person’s vocabulary, language comprehension, and ability to make sense of verbal concepts and relationships.
  • Pattern Recognition: Understanding shapes and patterns, identifying connections between images, and using these connections to find answers.

Why Practice IQ Questions?

Practicing IQ questions can help improve many aspects of a person’s cognitive skill development. Let’s elaborate:

  • Improves problem-solving skills
  • Improves attention
  • Better speed in solving questions
  • Enhances pattern recognition
  • Builds confidence

What are the Different Kinds of IQ Test Questions in this Blog?

The different types of IQ test questions in this blog are:

  1. Mirror images: In these questions, a sequence of letters is given, and you need to identify the flipped or mirror image of the sequence
  2. Combinatorial Questions: These IQ questions have text and numerals. The text sets up the premise for the question.
  3. Alphabet Questions: Where words are coded in different ways and you are supposed to find the right code for the word from the pattern given before.
  4. Synonym-Based Questions: You are to find the right word; which can be either a synonym or antonym of the given word.
  5. Verbal Analogies: This type of IQ question requires identifying the connection between the first pair of words and applying a similar relationship to the next pair of words.
  6. Arithmetical Questions: These questions ask you to find the missing number in a series.
  7. Image-Based Questions: Some images come in different patterns and you need to answer as per the question.

50+ IQ Test Questions and Their Answers

  1. What is the mirror image of the sequence “AB12C”?

Options:
a) C21ƂA
b) C21BA
c) C21AB
d) CBA12

Answer: a) C21ƂA

Explanation: In a mirror, 'A,' '1,' '2,' and 'C' remain unchanged, while 'B' appears as 'Ƃ.'
  1. Sarah is currently 30 years old, and she is five times older than her sister. How old will Sarah be when she is three times her sister’s age?

Options:
a) 35 years
b) 36 years
c) 40 years
d) 45 years

Answer: b) 36 years

Sarah's sister age = 30/5 = 6, Therefore, 6 years.

Let the number of years needed to reach that point be
𝑦,
At that time, Sarah’s age will be 30+y, and her sister’s age will be
6+y.
According to the question, Sarah’s age will be three times her sister’s age at that point:

30+y=3×(6+y)
30+y=18+3y
30−18=3y−y
12=2y
y=6

Sarah's age: 30+6=36.
  1. Choose the correct mirror image for “XYZ45”.

Options:
a) 54ZYX
b) S4ƸY
c) 54YXZ
d) 54XƸY

Answer: a) 54ZYX

Explanation: In the mirror, the letters appear in reverse order, with "4" and "5" remaining the same.
  1. Alex has 25 cents, Ben has 15 cents, and Charlie has 30 cents. If Ben gives his 15 cents to Alex, will Alex then have more money than Charlie?

Options:
a) True
b) False

Answer: a) True.

Explanation: If Ben gives his 15 cents to Alex:

Alex will then have
25+15=40 cents.
Charlie has 30 cents.
Comparison:
40 cents (Alex) is more than 30 cents (Charlie).
  1. A restaurant reduces the price of a meal by 25%. What percentage must the discounted price be increased to return to the original price?

Options:
a) 20%
b) 25%
c) 33.33%
d) 50%

Answer: 33.33%

Explanation: Increase= P−0.75P/0.75P×100 = 0.25P/0.75Px100 = 33.33%
  1. What is the mirror image of “M3D6P”?

Options:
a) P9Ɛ3M
b) P6D3M
c) ƿ9Ɛ3W
d) P6Ɔ3W

Answer: b) P6D3M

Explanation: "M" becomes "M," "3" remains "3," "D" remains "D," "6" remains "6," and "P" appears as "P" in a mirror.
  1. 10 printers print 10 pages in 10 minutes. How long would it take for 100 printers to print 100 pages?

Options:
a) 1 minute
b) 10 minutes
c) 5 minutes
d) 100 minutes

Answer: b) 10 minutes

Explanation: If 10 printers print 10 pages in 10 minutes, each printer prints 1 page in 10 minutes.
With 100 printers, they can collectively print 100 pages in the same 10 minutes.
  1. Identify the mirror image of “QR78E”.

Options:
a) E87PQ
b) E87QP
c) 3ƨ87P
d) Ǝ87ⱤQ

Answer: a) E87PQ

Explanation: "E" stays "E," "7" and "8" remain the same, "R" becomes "Ɽ," and "Q" remains "Q."
  1. You need to get 15 pieces of string by cutting a single long piece of string. How many cuts do you need to make?

Options:
a) 13
b) 14
c) 15
d) 16

Answer: b) 14

Explanation: Each cut increases the number of pieces by 1.
To get 15 pieces, you would need 14 cuts.
  1. What is the mirror image of “D9X8W”?

Options:
a) W8X9D
b) W6X9D
c) M9X8Ɖ
d) W8Ǝ9D

Answer: a) W8X9D

Explanation: Each character is reversed in order; "D" stays "D," "9" stays "9," "X" remains "X," "8" remains "8," and "W" stays "W."
  1. There were 3 onions and 4 apples on the table. The boy took one onion. How many fruits are left on the table?

Options:
a) 4
b) 5
c) 0
d) 2

Answer: 4

Explanation: We are talking about fruits only.
  1. Identify the mirror image of “F3G2H”.

Options:
a) H2G3F
b) H2C3F
c) ƚ3ƃ2H
d) H2ƃ3F

Answer: a) H2G3F

Explanation: Each character is reversed in order; "H," "2," and "3" remain the same, while "F" stays "F."
  1. What is the mirror image of “K4Z1C”?

Options:
a) Ɔ1Z4K
b) C14ZK
c) C1Ƶ4K
d) Ɔ1Z4P

Answer: a) Ɔ1Z4K

Explanation: "K" remains "K," "4" remains "4," "Z" stays "Z," "1" remains "1," and "C" becomes "Ɔ."
  1. Find the mirror image of “W8R5E”.

Options:
a) E5R8W
b) E5Ɽ8W
c) Ǝ5Ƨ8M
d) Ɛ5R8W

Answer: b) E5Ɽ8W

Explanation: "W" stays "W," "8" stays "8," "R" becomes "Ɽ," "5" remains "5," and "E" stays "E."
  1. If you rotate a cube with a red face on top, where will the red face be after a 180-degree turn?

Options:
a) Top
b) Right Side
c) Left Side
d) Bottom

Answer: d) Bottom

Explanation: A 180-degree turn flips it upside down.
  1. A man walks 3 km south, 3 km east, and 3 km north. Where is he?

Options:
a) 2km northwest of the start
b) 3km east of the start
c) 2km east of the start
d) 3km north of the start

Answer: b) 3km east of the start

Explanation: He returns north but has a net eastward distance.
  1. In the code, CAT is written as XZG. How is DOG written?

Options:
a) XYZ
b) XWY
c) WLT
d) None of the above

Answer: c) WLT

Explanation: Each letter moves backward in the alphabet.
  1. Identify the next number: 101, 104, 109, 116, __?

Options:
a) 100
b) 130
c) 120
d) 125

Answer: d) 125

Explanation: Each term increases by consecutive odd numbers (3, 5, 7, 9).
  1. 8 candles were burning. 3 of them were extinguished. How many candles are left?

Options:
a) 5
b) 8
c) 3
d) 0

Answer: 8

Explanation: The candles were extinguished not destroyed and therefore 8 of them are still there.
  1. 10 parrots were sitting on the branch of a tree. A man shot one. How many parrots are left sitting on the branch of the tree?

Options:
a) 0
b) 9
c) 1
d) 8

Answer: 0

Explanation: The answer is 0 because the shot would cause all the parrots to fly away, leaving none on the branch.
  1. How many corners will the circle have if it is cut in half?

Options:
a) 0
b) 1
c) Infinite
d) None of the above

Answer: 0

Explanation: Circle doesn't have corners.
  1. EMBEZZLE

Options:
a) Misappropriate
b) Balance
c) Remunerate
d) Clear

Answer: a) misappropriate

Explanation: Synonym
  1. You are trying to fill a tank, but there’s a leak at the bottom. The first hose can fill the tank in 4 minutes, and the second hose in 3 minutes. The leak can drain the entire tank in 12 minutes. If both hoses are turned on with the leak open, how long will it take to fill the tank?

Options:

a) 2 minutes
b) 3 minutes
c) 4 minutes
d) 5 minutes

Answer: a) 2 minutes

Explanation:
The rate of time taken by the hoses are 1/4 and 1/3 per minute respectively.

The leak takes 1/12/minute to drain.

Combined Rate: 1/3+1/4-1/12=1/2; 2 minutes to fill the tank.
  1. Which is the odd one out?

Options:

a) Clavichord
b) Harpsichord
c) Clarion
d) Accordion

Answer: Clarion

Explanation: It's a high-pitched trumpet.
  1. What does the word FACADE mean?

Options:

a) Pretense
b) Authenticity
c) Genuinely
d) Veracity

Answer: a) Pretense
  1. GENEALOGY: ANCESTRY

ETYMOLOGY:?

Options:
a) knowledge
b) fossil
c) inscriptions
d) words

Answer: 4) Words

Explanation: The study of words.
  1. What do you call a group of peacocks?

Options:
a) Bevy
b) Ostentation
c) Lepe
d) Richesse

Answer: b) Ostentation
  1. 56, ?, 332, 664

Options:
a) 221
b) 112
c) 22
d) None of the above

Answer:112

Explanation: It is double the number before.
  1. 92,?,3312,19872

Options:
a) 500
b) 452
c) 552
d) 422

Answer: 552

Explanation: It's multiples of 6.
  1. 56,71,86,?,116

Options:
a) 100
b) 101
c) 50
d) 122

Answer: 101

Explanation: Addition of 15.
  1. A thermometer is to temperature as a barometer is to:

Options:
a) pressure
b) humidity
c) rainfall
d) altitude

Answer: a) pressure
  1. The rudder is to steering as the anchor is to:

Options:
a) diving
b) stability
c) towing
d) buoyancy

Answer: b) stability
  1. The clock is to time as the scale is to:

Options:
a) weight
b) size
c) area
d) volume

Answer: a) weight
  1. Sort the given figures into three distinct groups, using each figure in only one group.
image based IQ test questions

Options:
a) 1,5,7 ; 2,4,6 ; 3,9,8
b) 1,5,7 ; 2,4,8 ; 3,6,9
c) 1,4,7 ; 2,5,8 ; 3,6,9
d) 1,7,9 ; 3,5,8 ; 2,4,6

Answer: b) 1,5,7; 2,4,8; 3,6,9

Explanation:

1, 5, and 7 each contain two identical elements, with one positioned inside the other.

2, 4, and 8 consist of one element placed within a different element.

3, 6, and 9 feature two identical elements, one within the other, with the space between them shaded.
  1. The key is to lock as the password is to:

Options:

a) security
b) door
c) vault
d) access

Answer: d) access
  1. Group the given figures into three classes using each figure only once.
group image based IQ test questions

Options:
a) 1,4 ; 2,3 ; 5,6
b) 1,5 ; 2,6 ; 4,3
c) 1,6 ; 2,3 ; 4,5
d) 1,2 ; 3,6 ; 4,5

Answer: a) 1,4; 2,3; 5,6

Explanation: Different pairs of identical figures.
  1. Every New Year since Mia’s birth, her grandparents deposit as many coins into her piggy bank as her age at that time. Now there are 45 coins in the piggy bank. How old is Mia?

Options:

a) 8 years
b) 9 years
c) 10 years
d) 11 years

Answer: 9 years

Explanation: Mia receives coins each year equal to her age. This means the total coins is the sum of consecutive numbers from 1 up to Mia's age.
To find Mia's age, we need the number where the sum
1+2+3+…+𝑛 = 45
n(n+1)/2=45
  1. a microscope is to cells as a telescope is to:

a) stars
b) maps
c) books
d) light

Answer: a) stars
  1. A speech delivered without preparation

a) Oration
b) Extempore
c) Verbatim
d) Colloquial

Answer: b) Extempore
  1. One who walks in sleep

a) Insomniac
b) Hypnotist
c) Somnambulist
d) Lunatic

Answer: c) Somnambulist
  1. The practice of taking someone else’s work or ideas and passing them off as one’s own

a) Plagiarism
b) Copyright
c) Forgery
d) Piracy

Answer: a) Plagiarism
  1. A government run by a single person with absolute power

a) Aristocracy
b) Democracy
c) Autocracy
d) Oligarchy

Answer: c) Autocracy
  1. A person who lives alone and avoids social contact

a) Recluse
b) Extrovert
c) Philanthropist
d) Pedant

Answer: a) Recluse
  1. A statement that appears self-contradictory but may reveal a truth

a) Oxymoron
b) Paradox
c) Allegory
d) Irony

Answer: b) Paradox
  1. A person who helps another commit a crime

a) Accomplice
b) Victim
c) Altruist
d) Prosecutor

Answer: a) Accomplice
  1. You’re competing in a race and just passed the runner in second place. What position are you in now?

Options:

Answer: second
  1. Brevity’ is related to ‘Lengthy’ in the same way as ‘Frugal’ is related to:

a) Extravagant
b) Careful
c) Reserved
d) Prosperous

Answer: a) Extravagant
  1. There are 6 chairs in a row, each occupied by a different person. The following conditions apply:
  • Alice is not seated next to Betty.
  • Carol is sitting immediately to the right of Dave.
  • At least one person is sitting to the left of Dave.
  • Betty sits in one of the two middle chairs.
  • Eddie sits between Betty and Carol.

If at least one person is seated to the right of Frank and Carol is not between Alice and Dave, which of the following statements is not correct?

Options:
a) Frank is not at the left end.
b) Frank is seated between Alice and Carol.
c) Betty is between Alice and Eddie.
d) There are two people to the left of Betty.

Answer: b) Frank is seated between Alice and Carol
  1. Avarice’ is related to ‘Generosity’ in the same way as ‘Timid’ is related to:

a) Fear
b) Courage
c) Quiet
d) Shy

Answer: b) Courage
  1. Group the given figures into three classes using each figure only once.
group image based IQ test question

Options:
a)1,2,3 ; 4,5,8 ; 6,7,9
b) 1,5,6 ; 2,3,4 ; 7,8,9
c) 1,3,5 ; 2,4,8 ; 6,7,9
d) 1,4,7 ; 2,5,8 ; 3,6,9

Answer: b) 1,5,6; 2,3,4; 7,8,9

Explanation:
1, 5, and 6 each have two identical elements, with one positioned inside the other.
2, 3, and 4 feature straight lines that divide the figure into two halves.
7, 8, and 9 contain one element placed within a different element.


Final Wrap

Practicing these questions can help you understand various IQ concepts and improve your test scores. Good luck!
You can also check out our blog on logical questions as well.

FAQs

  1. What are IQ test questions?

IQ test questions are used to test people’s cognitive abilities. These tests help us understand how people solve problems spontaneously, and examiners typically use them in competitive exams and to evaluate job candidates. 

  1. What areas do IQ test questions cover?

IQ test questions cover areas such as arithmetic, verbal reasoning, image-based questions, statements and assumptions, patterns, etc.

  1. What is the importance of IQ test questions in job candidate selection?

The use of IQ tests is a common practice among employers when selecting candidates to advance to the technical interview stage. These questions reveal the critical and analytical thinking abilities of potential candidates.

  1.  Can practicing IQ test questions improve scores?

Familiarity with different types of questions can help speed up the thinking process. The more one practices various question patterns, the easier it becomes to solve them when put to the test

  1. Is IQ test questions an ultimate test of smartness?

It is not an ultimate test of smartness. It gives an idea of the expertise of the candidate areas but is an ideal measure to evaluate creativity, practical decision-making, etc

Further Reading