Here are 100 mental ability questions for class 7 students. The questions are in category analogy, coding-decoding, puzzles, sequence, verbal reasoning, analytical reasoning, blood relation, classification, and numerical reasoning. The questions and randomly placed.
List of 100 Mental Ability Test Questions with Answers for Class 7
Reasoning and Logical Thinking:
Analogy/Pattern Recognition:
Question 1. What is the next figure in the series?
a) A square inside a circle
b) A circle inside a square
c) A triangle inside a square
d) A circle inside a triangle
Answer:
Details required for a visual pattern are missing, so this question would need a series of figures to provide a valid answer.
Question 2. What comes next in the pattern: Z, X, V, T, …?
a) S
b) R
c) Q
d) P
Answer:
d) P – The sequence follows the pattern of skipping one letter backwards in the alphabet.
Question 3. What comes next? Circle, Triangle, Rectangle, Circle, Triangle, …
a) Circle
b) Square
c) Rectangle
d) Triangle
Answer:
c) Rectangle – The pattern is repeating every three shapes.
Question 4. What comes next in the sequence: JFMAMJJASON_?
a) D
b) J
c) M
d) F
Answer:
a) D – The sequence represents the first letter of each month.
Question 5. What comes next in the sequence: JFMAMJJASON_?
a) D
b) J
c) M
d) F
Answer:
a) D – The sequence represents the first letter of each month, so D for December comes next.
Odd One Out:
Question 1. Find the odd one out: 3, 5, 11, 14, 17, 19
a) 3
b) 14
c) 11
d) 19
Answer:
b) 14 – All others are prime numbers.
Question 2. Find the odd one out: Oxygen, Hydrogen, Gold, Nitrogen
a) Oxygen
b) Hydrogen
c) Gold
d) Nitrogen
Answer:
c) Gold – It is a metal, while all the others are gases at room temperature.
Question 3. Choose the odd one out: Algebra, Geometry, Calculus, Dictionary
a) Algebra
b) Geometry
c) Calculus
d) Dictionary
Answer:
d) Dictionary – All the others are branches of mathematics, while a dictionary is related to language.
Question 4. Choose the odd one out: Circle, Rectangle, Triangle, Cylinder
a) Circle
b) Rectangle
c) Triangle
d) Cylinder
Answer:
d) Cylinder – All others are 2-dimensional shapes, while a cylinder is a 3-dimensional shape.
Question 5. Find the odd one out: 16, 36, 49, 64, 81
a) 16
b) 36
c) 49
d) 64
Answer:
d) 64 – All others are perfect squares (4², 6², 7², 9²), but 64 is 8².
Question 6. Find the odd one out: 125, 216, 343, 512, 729
a) 125
b) 216
c) 343
d) 512
Answer:
d) 512 – All others are cubes of odd numbers (5³, 6³, 7³, 9³).
Question 7. Find the odd one out: 7, 14, 21, 28, 35, 45
a) 14
b) 21
c) 28
d) 45
Answer:
d) 45 – All others are multiples of 7.
Question 8. Identify the odd one out: Lion, Tiger, Leopard, Elephant
a) Lion
b) Tiger
c) Leopard
d) Elephant
Answer:
d) Elephant – All others are big cats.
Question 9. Which is the odd one out: Square, Triangle, Circle, Rectangle
a) Square
b) Triangle
c) Circle
d) Rectangle
Answer:
c) Circle – All others have straight sides.
Question 10. Spot the odd one: Rose, Lotus, Jasmine, Banana
a) Rose
b) Lotus
c) Jasmine
d) Banana
Answer:
d) Banana – All others are flowers.
Question 11. Find the odd one out: 32, 64, 128, 256, 300
a) 64
b) 128
c) 256
d) 300
Answer:
d) 300 – All others are powers of 2.
Logical Sequences and Series:
Question 1. What is the missing number in the sequence: 1, 1, 2, 6, 24, …?
a) 120
b) 100
c) 72
d) 150
Answer:
a) 120 – This is a factorial series, where each number is the product of all positive integers up to that number. Thus, the next number is 5! (5 factorial), which is 120.
Question 2. Find the missing number: 2, 6, 12, 20, 30, …?
a) 42
b) 45
c) 50
d) 55
Answer:
a) 42 – The pattern is increasing by consecutive even numbers (4, 6, 8, 10, 12).
Question 3. Find the missing number: 2, 6, 12, 20, …?
a) 30
b) 32
c) 34
d) 36
Answer:
a) 30 – The pattern is increasing by consecutive even numbers.
Question 4. What is the next number in the series: 1, 1, 2, 6, 24, …?
a) 120
b) 36
c) 48
d) 30
Answer:
a) 120 – The sequence follows the pattern of factorials (1!, 1!, 2!, 3!, 4!).
Question 5. What comes next in the pattern: 5, 10, 20, 40, …?
a) 50
b) 60
c) 70
d) 80
Answer:
d) 80 – The pattern is doubling each time (5×2=10, 10×2=20, 20×2=40, 40×2=80).
Question 6. What number comes next in the series: 1, 1, 2, 3, 5, …?
a) 8
b) 10
c) 11
d) 13
Answer:
a) 8 – The pattern is the Fibonacci sequence.
Riddles/Word Puzzles:
Question 1. What has keys but can’t open locks?
a) A map
b) A piano
c) A code
d) A puzzle
Answer:
b) A piano – It has keys but cannot open locks.
Question 2. If you have me, you want to share
me. If you share me, you haven’t got me. What am I?
a) Money
b) Love
c) A secret
d) Happiness
Answer:
c) A secret – Once a secret is shared, it is no longer a secret to those you’ve told.
Question 3. What can travel around the world while staying in a corner?
a) A stamp
b) A plane
c) A boat
d) A cloud
Answer:
a) A stamp – It travels on mail around the world but stays in the corner of the envelope.
Question 4. I speak without a mouth and hear without ears. I have nobody, but I come alive with wind. What am I?
a) Echo
b) Leaf
c) Shadow
d) Flame
Answer:
a) Echo – It reflects sound without physical form and “comes alive” when sound waves are present.
Question 5. You see a boat filled with people. It has not sunk, but when you look again you don’t see a single person on the boat. Why?
a) They went below deck
b) The boat is far away
c) It’s night and too dark to see
d) They are all married
Answer:
d) They are all married – The question plays on the word “single” meaning unmarried.
Question 6. If you throw a red stone into the blue sea what will it become?
a) It becomes wet
b) It sinks
c) It changes color
d) It disappears
Answer:
a) It becomes wet – The color of the stone or the sea doesn’t change the fact that the stone gets wet.
Question 7. If two’s company, and three’s a crowd, what are four and five?
a) Nine
b) Some
c) Ten
d) Eleven
Answer:
a) Nine – Four and five together make nine.
Question 8. If you multiply this number by any other number, the answer will always be the same. What number is it?
a) 0
b) 1
c) 10
d) 5
Answer:
a) 0 – Any number multiplied by 0 is 0.
Question 9. If there are 3 apples and you take away 2, how many do you have?
a) 1
b) 2
c) 3
d) 5
Answer:
b) 2 – You have the 2 apples you took away.
Question 10. If a peacock lays an egg on a hilltop, where would the egg roll?
a) North
b) South
c) It wouldn’t roll
d) Peacocks don’t lay eggs
Answer:
d) Peacocks don’t lay eggs – Peahens lay eggs, not peacocks.
Deductive Reasoning/Problem Solving:
Question 1. The day before two days after the day before tomorrow is Saturday. What day is it today?
a) Friday
b) Thursday
c) Wednesday
d) Tuesday
Answer:
c) Friday – The day before tomorrow is today. Two days after today is the day after tomorrow. The day before the day after tomorrow brings us back to tomorrow. The statement says that tomorrow is Saturday. So, if tomorrow is Saturday, then today is Friday.
Therefore, the day today is Friday.
Question 2. If the day after tomorrow is Sunday, what day was it yesterday?
a) Thursday
b) Friday
c) Wednesday
d) Saturday
Answer:
c) Wednesday – If the day after tomorrow is Sunday, today is Friday, making yesterday Thursday.
Question 3. A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who is the man in the photograph?
a) The man’s son
b) The man himself
c) The man’s father
d) The man’s brother
Answer:
a) The man’s son – “My father’s son” is the man himself, so the man in the photograph is his son.
Question 4. You have 3 stoves: a gas stove, a wood stove, and a coal stove, but only one match. Which do you light first?
a) Gas stove
b) Wood stove
c) Coal stove
d) The match
Answer:
d) The match – Before lighting any stove, you must light the match first.
Question 5. Two fathers and two sons go fishing. Each of them catches one fish. So why do they bring home only three fish?
a) One fish got away
b) They shared one fish
c) There are actually only three people
d) One of the fish was too small to keep
Answer:
c) There are actually only three people – A grandfather, his son, and his grandson; thus, two fathers and two sons, but only three people.
Question 6. A snail climbs a 30-foot pole. During the day, it climbs 3 feet, and at night it slides back 2 feet. How many days does it take for the snail to reach the top of the pole?
a) 28 days
b) 27 days
c) 29 days
d) 30 days
Answer:
b) 27 days – On the 27th day, the snail climbs 3 feet and reaches the top before sliding back, thus not needing the night to slide.
Question 7. A man is 24 years older than his son. In 2 years, his age will be twice his son’s age. What is the son’s current age?
a) 20
b) 21
c) 22
d) 23
Answer:
c) 22 – Solving the equations, the son’s age is 22.
Coded Patterns/Cipher Decoding:
Question 1. If ‘PENCIL’ is coded as ‘OCDMFK’, how is ‘BRUSH’ coded?
a) AQTVG
b) AQTRG
c) CQTSG
d) ASVGU
Answer:
b) AQTRG – Each letter is replaced by its previous letter in the alphabet.
Question 2. In a certain language, ‘MATHEMATICS’ is written as ‘TAMCIHTAME’. How is ‘COMPUTER’ written in that code?
a) RETUPMOC
b) ERTUPMOC
c) REPUTMOC
d) RUTEMPUC
Answer:
a) RETUPMOC – The word is written in reverse order.
Question 3. If ‘SCHOOL’ is coded as ‘SXPNNLD’, how is ‘HOME’ coded?
a) HPNLD
b) HNQMF
c) HPNLF
d) HPLNE
Answer:
c) HPNLF – Each consonant letter is moved one step forward, and each vowel is moved one step back in the alphabet in ‘SCHOOL’ to get ‘SXPNNLD’, so ‘HOME’ becomes ‘HPNLF’.
Question 4. If ‘PENCIL’ is coded as ‘OCDMHK’, how is ‘ERASER’ coded?
a) DQZQDQ
b) DSBRDS
c) DQZRDQ
d) FSBTFS
Answer:
a) DQZQDQ – Each letter in ‘PENCIL’ is moved one step back to get ‘OCDMHK’, so ‘ERASER’ becomes ‘DQZQDQ’.
Question 5. If ‘BIRD’ is to ‘DBRI’ and ‘FISH’ is to ‘HSIF’, how is ‘FROG’ coded?
a) OGRF
b) GORF
c) GFOR
d) ORGF
Answer:
b) GORF – The pattern is to reverse the order of letters.
Question 6. If ‘JANUARY’ is coded as ‘1234516’, how is ‘JUNE’ coded?
a) 1565
b) 1265
c) 1235
d) 1526
Answer:
b) 1265 – Each letter is assigned a number based on its position in the word ‘JANUARY’; ‘JUNE’ follows the same pattern.
Question 7. In a certain code, ‘BEACH’ is written as ‘YVZX’. How is ‘PORT’ written in that code?
a) KILG
b) KLFG
c) KIGN
d) KIGF
Answer:
c) KIGN – Each letter is replaced by the letter three places before it in the alphabet.
Question 8. If ‘RAT’ is coded as 513, how is ‘CAT’ coded?
a) 313
b) 113
c) 123
d) 143
Answer:
c) 123 – Each letter is replaced by its position in the alphabet (C=3, A=1, T=20).
Question 9. If ‘MOON’ is to ‘NOOM’ as ‘STAR’ is to …?
a) RATS
b) TSAR
c) ARTS
d) TARS
Answer:
a) RATS – The letters are reversed in order.
Question 10. If ‘APPLE’ is coded as ‘ELPPA’, how is ‘ORANGE’ coded?
a) EGORAN
b) EGNARO
c) EGNARO
d) ENOGAR
Answer:
b) EGNARO – The word is written in reverse order.
Math-based Puzzles/Questions:
Question 1. How many 3s are there in the sequence that are immediately followed by a 4 but not immediately preceded by a 2: 12343534643212344321?
a) 1
b) 2
c) 3
d) 4
Answer:
b) 2 – The sequence contains two instances of 3 immediately followed by a 4 but not immediately preceded by a 2.
Question 2. If two pencils cost 8 cents, then how much do five pencils cost?
a) 20 cents
b) 25 cents
c) 40 cents
d) 15 cents
Answer:
a) 20 cents – Each pencil costs 4 cents, so five pencils cost 20 cents.
Question 3. It takes 5 workers 5 minutes to make 5 widgets. How long would it take 100 workers to make 100 widgets?
a) 5 minutes
b) 100 minutes
c) 20 minutes
d) 1 minute
Answer:
a) 5 minutes – The rate of widget production per worker remains constant.
Question 4. How many months have 28 days?
a) 1
b) 2
c) 6
d) All of them
Answer:
d) All of them – Every month has at least 28 days.
Question 5. If a clock shows 4:15, what is the angle between the hour and minute hands?
a) 52.5°
b) 67.5°
c) 75°
d) 82.5°
Answer:
b) 67.5° – The hour hand moves 0.5 degrees per minute, so 15 minutes past 4 is 67.5°.
Question 6. What comes next in the series: 1, 4, 9, 16, …?
a) 21
b) 25
c) 30
d) 36
Answer:
b) 25 – The sequence is the squares of consecutive numbers (1², 2², 3², 4², 5²).
Question 7. A cube has a volume of 27 cubic centimeters. What is the length of one side?
a) 2 cm
b) 3 cm
c) 4 cm
d) 5 cm
Answer:
b) 3 cm – The cube root of 27 is 3.
Question 8. If a train travels at a speed of 60 km/h, how long will it take to travel 240 km?
a) 2 hours
b) 3 hours
c) 4 hours
d) 5 hours
Answer:
c) 4 hours – Time = Distance / Speed, so 240 km / 60 km/h = 4 hours.
Question 9. If 7 + 3 = 50, 9 + 2 = 72, then 8 + 6 = ?
a) 62
b) 86
c) 96
d) 82
Answer:
b) 86 – The pattern is to concatenate the two numbers.
Question 10. If the ratio of the ages of two friends is 4:5 and the sum of their ages is 45 years, what is the age of the younger friend?
a) 18 years
b) 20 years
c) 24 years
d) 25 years
Answer:
b) 20 years – Solving the ratio gives the younger friend’s age as 20 years.
Question 11. If a person is facing north, turns 90 degrees clockwise, then 180 degrees anti-clockwise, which direction are they facing now?
a) North
b) South
c) East
d) West
Answer:
d) West – Turning 90 degrees clockwise faces them east, then 180 degrees anti-clockwise faces them west.
Question 12. What is the next number in the series: 1, 1, 2, 6, 24, …?
a) 120
b) 36
c) 48
d) 30
Answer:
a) 120 – The sequence follows the pattern of factorials (1!, 1!, 2!, 3!, 4!).
Family Relationships:
Question 1. A is the son of B. C is the daughter of B. D is the brother of B. How is A related to D?
a) Son
b) Nephew
c) Brother
d) Cousin
Answer:
b) Nephew – A is D’s nephew as D is B’s brother.
Question 2. X is the brother of Y. Y is the sister of Z. Z is the son of P. How is X related to P?
a) Son
b) Daughter
c) Grandson
d) Father
Answer:
a) Son – X is the son of P as Z is the son of P and X is Z’s brother.
Question 3. If A is the father of B and C, and D is the mother of B and E, how is E related to C?
a) Brother
b) Sister
c) Half-brother
d) Cousin
Answer:
c) Half-brother – E and C share the same father but different mothers.
Question 4. P is Q’s mother. R is Q’s sister. S is P’s husband. How is R related to S?
a) Daughter
b) Wife
c) Sister
d) Cousin
Answer:
a) Daughter – R is S’s daughter as P is S’s wife and R is P’s daughter.
Question 5. M is the brother of N. N is the daughter of O. O
is the wife of P. How is M related to P?
a) Son
b) Daughter
c) Brother
d) Nephew
Answer:
a) Son – M is P’s son as N is P’s daughter and M is N’s brother.
Question 6. A is B’s daughter. B and C are siblings. How is C related to A?
a) Aunt
b) Uncle
c) Cousin
d) Grandparent
Answer:
a) Aunt or Uncle – C is either A’s aunt or uncle as B and C are siblings.
Question 7. F is the mother of G. G is the sister of H. H is the father of I. How is F related to I?
a) Mother
b) Grandmother
c) Sister
d) Aunt
Answer:
b) Grandmother – F is the grandmother of I as G is H’s sister and H is I’s father.
Question 8. J is the husband of K. L is the daughter of J. M is the sister of L. How is K related to M?
a) Mother
b) Aunt
c) Sister
d) Grandmother
Answer:
a) Mother – K is M’s mother as J is M’s father and K is J’s wife.
Question 9. P is the son of Q. Q is the daughter of R. R is the wife of S. How is S related to P?
a) Father
b) Grandfather
c) Brother
d) Uncle
Answer:
b) Grandfather – S is P’s grandfather as S is Q’s father and P is Q’s son.
Question 10. T is the brother of U. U is the mother of V. V is the sister of W. How is T related to W?
a) Uncle
b) Brother
c) Nephew
d) Father
Answer:
a) Uncle – T is W’s uncle as U is W’s mother and T is U’s brother.
Other:
Miscellaneous:
Question 1. In a race, you passed the person in 2nd place. What place are you in now?
a) 1st
b) 2nd
c) 3rd
d) 4th
Answer:
b) 2nd – You take the place of the person you passed.
Question 2. Tree is to Forest as Star is to:
a) Sky
b) Galaxy
c) Moon
d) Sun
Answer:
b) Galaxy – Just as a tree is a part of a forest, a star is part of a galaxy.
Question 3. If ‘CLOCK’ is to ‘TIME’ as ‘COMPASS’ is to:
a) Direction
b) Magnetism
c) Navigation
d) Sea
Answer:
a) Direction – A clock is used to measure time, similarly, a compass is used to determine direction.
Question 4. ‘Heart’ is to ‘Circulation’ as ‘Lungs’ are to:
a) Breathing
b) Oxygen
c) Carbon dioxide
d) Respiration
Answer:
d) Respiration – The heart is central to the circulatory system, just as lungs are crucial for the respiratory system.
Question 5. If ‘POETRY’ is related to ‘VERSE’ in the same way ‘DRAMA’ is related to:
a) Scene
b) Act
c) Script
d) Performance
Answer:
b) Act – Poetry is composed of verses, and a drama is divided into acts.
Question 6. Atom is to Element as Cell is to:
a) Organism
b) Tissue
c) Organ
d) Life
Answer:
b) Tissue – Atoms make up elements in the same way that cells come together to form tissues.
Question 7. If ‘Historian’ is to ‘Past’ as ‘Futurist’ is to:
a) Present
b) Future
c) Prediction
d) Science
Answer:
b) Future – A historian studies the past, whereas a futurist focuses on understanding and predicting the future.
Question 8. In a group of 50 people, 30 like cricket, 20 like football, and 10 like both. How many people like either cricket or football?
a) 30
b) 40
c) 50
d) 60
Answer:
b) 40 – Using the principle of inclusion-exclusion: 30 + 20 – 10 = 40.
Question 9. If all Boops are Toops and some Toops are Loops, which statement must be true?
a) All Boops are Loops
b) Some Boops are Loops
c) No Boops are Loops
d) Some Loops are not Boops
Answer:
b) Some Boops are Loops – Given the overlapping categories, it’s possible some Boops are also Loops.
Question 10. There are 6 eggs in a basket. If you take 2 out, how many do you have?
a) 4
b) 6
c) 2
d) 3
Answer:
c) 2 – You have the 2 eggs you took out.
Question 11. If you throw a red stone into the blue sea, what will it become?
a) It sinks
b) It floats
c) It disappears
d) Wet
Answer:
d) Wet – Regardless of whether the stone sinks or floats, it will become wet.
Question 12. What comes next in the series: A1, B2, C3, …?
a) D4
b) E5
c) F6
d) G7
Answer:
a) D4 – The sequence follows the pattern of consecutive letters and numbers.
Question 13. What is the volume of a cube with a side length of 4 cm?
a) 16 cm³
b) 24 cm³
c) 64 cm³
d) 32 cm³
Answer:
c) 64 cm³ – The volume of the cube is calculated by raising the side length to the power of three: 4³ = 64 cm³.
Question 14. If you multiply this number by any other number, the answer will always be the same. What number is it?
a) 0
b) 1
c) 10
d) 5
Answer:
a) 0 – Any number multiplied by 0 is always 0.
Question 15. If there are 3 apples and you take away 2, how many do you have?
a) 1
b) 2
c) 3
d) 5
Answer:
b) 2 – You have the 2 apples that you took away.
Question 16. If two’s company and three’s a crowd, what are four and five?
a) Nine
b) Some
c) Ten
d) Eleven
Answer:
a) Nine – Four and five together make nine.
Question 17. What comes next in the pattern: 5, 10, 20, 40, …?
a) 50
b) 60
c) 70
d) 80
Answer:
d) 80 – The pattern is doubling each time: (5×2=10, 10×2=20, 20×2=40, 40×2=80).
Question 18. What number comes next in the series: 1, 1, 2, 3, 5, …?
a) 8
b) 10
c) 11
d) 13
Answer:
a) 8 – The pattern is the Fibonacci sequence.
Question 19. A clock shows 6:30. What is the angle between the hour and minute hands?
a) 15°
b) 30°
c) 45°
d) 60°
Answer:
a) 15° – The hour hand moves 0.5 degrees per minute, so at 6:30, it is 15 degrees past 6.
Question 20. A father is 3 times as old as his son. After 15 years, he will be twice as old as his son. What is the father’s current age?
a) 30
b) 45
c) 60
d) 75
Answer:
c) 60 – Solving the equations, the father’s age is 60.
