This is a Mental Ability Test designed for Class 4 students. It helps improve thinking, reasoning, and problem-solving skills.
The questions are based on the CBSE pattern and related to topics from Class 4 NCERT books. Students can practice and learn in a fun way.
Topics Covered:
- Analogy
- Coding-Decoding
- Puzzles
- Sequence
- Verbal Reasoning
- Analytical Reasoning
- Blood Relation
- Classification
List of 80 Mental Ability Test Questions for Class 4
Analogy
Question 1. Evaporation is to Liquid as Sublimation is to:
a) Solid
b) Gas
c) Plasma
d) Condensation
Answer:
a) Solid — Evaporation is the process where a liquid turns into gas, just as sublimation is the process where a solid turns directly into gas.
Question 2. Marathon is to Race as Hibernation is to:
a) Bear
b) Sleep
c) Winter
d) Dormancy
Answer:
d) Dormancy — A marathon is an extended race, just as hibernation is an extended period of dormancy.
Question 3. Book is to Reading as Fork is to:
a) Writing
b) Drawing
c) Stirring
d) Eating
Answer:
d) Eating — A book is used for reading, just as a fork is used for eating.
Question 4. Sun is to Day as Moon is to:
a) Brightness
b) Month
c) Night
d) Light
Answer:
c) Night — The sun is seen during the day, just as the moon is seen during the night.
Question 5. Pup is to Dog as Calf is to:
a) Horse
b) Cow
c) Goat
d) Pig
Answer:
b) Cow — A pup is the young one of a dog, just as a calf is the young one of a cow.
Question 6. Pen is to Writer as Brush is to:
a) Artist
b) Carpenter
c) Chef
d) Potter
Answer:
a) Artist — A pen is used by a writer, just as a brush is used by an artist.
Question 7. Fire is to Hot as Ice is to:
a) Water
b) Solid
c) Cold
d) Freeze
Answer:
c) Cold — Fire is associated with heat, just as ice is associated with cold.
Question 8. Teacher is to School as Doctor is to:
a) Teacher
b) Hospital
c) Medicine
d) Nurse
Answer:
b) Hospital — A teacher works in a school, just as a doctor works in a hospital.
Question 9. Seed is to Plant as Egg is to:
a) Hen
b) Bird
c) Life
d) Chick
Answer:
d) Chick — A seed grows into a plant, just as an egg hatches into a chick.
Question 10. Foot is to Shoe as Hand is to:
a) Glove
b) Bracelet
c) Ring
d) Palm
Answer:
a) Glove — A shoe is worn on a foot, just as a glove is worn on a hand.
Coding-Decoding
Question 11. If CAT is coded as DBU, then DOG is coded as:
a) DPH
b) EPH
c) EOH
d) EOF
Answer:
b) EPH — Each letter is shifted one step forward: C→D, A→B, T→U; similarly, D→E, O→P, G→H.
Question 12. If BALL is coded as YZOO, then CALL is coded as:
a) XZOO
b) YZPP
c) XZPP
d) YZOO
Answer:
a) XZOO — B→Y, A→Z, L→O; similarly, C→X, A→Z, L→O, L→O.
Question 13. In a certain code, TREE is written as USFF. How is LEAF written in that code?
a) MFAG
b) MDFG
c) MFBG
d) MDFH
Answer:
b) MDFG — Each letter is shifted one step forward: L→M, E→F, A→B, F→G.
Question 14. If ROSE is coded as 6821 and LOVE as 4321, then LOSS is coded as:
a) 4622
b) 4821
c) 4322
d) 4621
Answer:
a) 4622 — L→4, O→6, S→2, S→2.
Question 15. If MANGO is written as NZOHQ, then GRAPE is written as:
a) HSBQF
b) HSBQD
c) HSBPE
d) HRBQF
Answer:
a) HSBQF — Each letter is shifted one step forward: G→H, R→S, A→B, P→Q, E→F.
Question 16. In a code language, WATER is written as YCVGT. How is RIVER written in that code?
a) TKXGT
b) TKXGR
c) TKXET
d) TKXFT
Answer:
a) TKXGT — Each letter is shifted +2: R→T, I→K, V→X, E→G, R→T.
Question 17. If CROW is written as XILD, how is DOVE written in that code?
a) WLIY
b) WLKY
c) WLIW
d) WLIK
Answer:
a) WLIY — Reverse the alphabet positions: C→X, R→I, O→L, W→D; D→W, O→L, V→I, E→Y.
Question 18. If FUN is coded as GVM, then SUN is coded as:
a) TVM
b) TVM
c) TVL
d) TVN
Answer:
a) TVM — Each letter: F→G, U→V, N→M; S→T, U→V, N→M.
Question 19. In a certain code, APPLE is written as ETTPI. How is CHAIR written in that code?
a) MIEPS
b) SRIAC
c) RIAHC
d) RIAHS
Answer:
c) RIAHC — The code is the reverse of the original word.
Question 20. If BIRD is coded as AJQC, how is FISH coded?
a) EHRI
b) EJRG
c) EHSG
d) EJQI
Answer:
b) EJRG — Each letter is moved one step backward: B→A, I→J, R→Q, D→C; similarly, F→E, I→J, S→R, H→G.
Puzzles
Question 21. Ramesh has 3 sons. Each son has 2 sisters. How many children does Ramesh have?
a) 5
b) 6
c) 7
d) 8
Answer:
b) 6 — 3 sons and they all share the same 2 sisters, so total = 3 + 2 = 5 + 1 (Ramesh is the father) = 6 children.
Question 22. A farmer had 17 sheep. All but 9 ran away. How many sheep does he have left?
a) 8
b) 9
c) 17
d) 0
Answer:
b) 9 — “All but 9” means only 9 sheep are left.
Question 23. If two pens cost Rs. 10, how much do five pens cost?
a) Rs. 20
b) Rs. 25
c) Rs. 30
d) Rs. 40
Answer:
b) Rs. 25 — If 2 pens cost Rs. 10, then 1 pen costs Rs. 5. So, 5 pens = 5 × 5 = Rs. 25.
Question 24. There are 3 apples and you take away 2. How many apples do you have?
a) 1
b) 2
c) 3
d) 0
Answer:
b) 2 — You took 2 apples, so you have 2 apples.
Question 25. A clock shows 3:15. What is the angle between the hour and minute hands?
a) 0°
b) 7.5°
c) 30°
d) 45°
Answer:
b) 7.5° — At 3:15, the minute hand is at 3 and hour hand is 1/4th of the way between 3 and 4. The angle = |(30×3) – (7.5×1)| = 7.5°.
Question 26. A girl is twice as old as her brother. If the sum of their ages is 18, how old is the girl?
a) 6
b) 9
c) 10
d) 12
Answer:
d) 12 — Let brother’s age be x. Then girl’s age = 2x. So, x + 2x = 18 → 3x = 18 → x = 6 → girl = 12.
Question 27. A bird flies 10 meters East, then 5 meters South, then 10 meters West. How far is it from the starting point?
a) 0 m
b) 5 m
c) 10 m
d) 15 m
Answer:
b) 5 m — After East and West movements cancel out, the bird is 5 meters South from the start.
Question 28. You have a 3-litre and a 5-litre jar. How can you measure exactly 4 litres of water?
a) Fill 5L, pour into 3L, 2L left
b) Fill 3L twice
c) Impossible
d) Pour 1L from 3L to 5L
Answer:
a) Fill 5L, pour into 3L, 2L left — Then empty 3L and pour 2L into it, then refill 5L and pour 1L into 3L (to make it full), now exactly 4L left in the 5L jar.
Question 29. A train 100 meters long takes 10 seconds to cross a pole. How long will it take to cross a bridge 200 meters long?
a) 10 sec
b) 20 sec
c) 25 sec
d) 30 sec
Answer:
b) 20 sec — Speed = 100m/10s = 10 m/s. To cross 200m bridge: distance = 100 + 200 = 300m → time = 300/10 = 30 sec.
Question 30. Two fathers and two sons went fishing. They caught 3 fish, one each. How is this possible?
a) They are 3 people
b) It’s a riddle
c) One fish was shared
d) Trick question
Answer:
a) They are 3 people — Grandfather (father), his son (father and son), and grandson (son) = 3 people total.
Sequence
Question 31. What comes next in the sequence: 2, 4, 6, 8, ?
a) 9
b) 10
c) 12
d) 14
Answer:
b) 10 — The numbers are increasing by 2 each time.
Question 32. What comes next: 5, 10, 20, 40, ?
a) 45
b) 50
c) 60
d) 80
Answer:
d) 80 — Each number is multiplied by 2.
Question 33. What comes next: 100, 90, 80, 70, ?
a) 50
b) 60
c) 65
d) 75
Answer:
b) 60 — Each number is decreasing by 10.
Question 34. Find the missing number: 3, 6, 9, __, 15
a) 10
b) 11
c) 12
d) 13
Answer:
c) 12 — The pattern increases by 3.
Question 35. What comes next: 1, 4, 9, 16, ?
a) 25
b) 30
c) 36
d) 49
Answer:
a) 25 — These are square numbers: 1², 2², 3², 4², 5².
Question 36. What comes next in the pattern: A, C, E, G, ?
a) H
b) I
c) J
d) I
Answer:
b) I — The letters are skipping one alphabet in between: A, C, E, G, I.
Question 37. Fill in the blank: 21, 18, 15, __, 9
a) 10
b) 12
c) 13
d) 14
Answer:
b) 12 — The pattern decreases by 3 each time.
Question 38. What comes next: Z, X, V, T, ?
a) R
b) Q
c) S
d) P
Answer:
a) R — The letters are skipping one alphabet in reverse order.
Question 39. What comes next: 1, 1, 2, 3, 5, ?
a) 7
b) 8
c) 10
d) 11
Answer:
b) 8 — Fibonacci series: each number is the sum of the previous two.
Question 40. Find the missing number: 2, 4, 8, 16, __
a) 30
b) 32
c) 36
d) 64
Answer:
b) 32 — Each number is multiplied by 2.
Verbal reasoning
Question 41. Choose the odd one out:
a) Apple
b) Mango
c) Banana
d) Carrot
Answer:
d) Carrot — All others are fruits, while carrot is a vegetable.
Question 42. Which word cannot be formed using the letters in “TRIANGLE”?
a) GREAT
b) RENT
c) GIANT
d) PLANET
Answer:
d) PLANET — The letter ‘P’ is not in “TRIANGLE”.
Question 43. Find the word that is different from the rest:
a) Cow
b) Dog
c) Tiger
d) Rose
Answer:
d) Rose — All others are animals, while Rose is a flower.
Question 44. Rearrange the jumbled letters to make a meaningful word: “RATHE”
a) HATER
b) EARTH
c) HEART
d) THERA
Answer:
b) EARTH — The correct arrangement is “EARTH”.
Question 45. Choose the correct pair: Pen is to Paper as Chalk is to:
a) Dust
b) Black
c) Board
d) Teacher
Answer:
c) Board — Pen is used on paper, chalk is used on a board.
Question 46. Which of the following is the odd one out?
a) Square
b) Rectangle
c) Circle
d) Triangle
Answer:
c) Circle — All others are polygons, a circle is not.
Question 47. Complete the series: Sun, Moon, Earth, ___
a) Sky
b) Mars
c) Star
d) Galaxy
Answer:
b) Mars — The sequence is celestial bodies in the solar system.
Question 48. Find the relationship: Tree is to Forest as Star is to:
a) Sky
b) Light
c) Planet
d) Galaxy
Answer:
d) Galaxy — Many trees make a forest, many stars make a galaxy.
Question 49. If you rearrange the letters “LAPME”, you would get the name of a:
a) Fruit
b) Place
c) Animal
d) Object
Answer:
a) Fruit — The correct word is “MAPLE,” but the answer intended may be “APPLE”, which is a fruit.
Question 50. Which word is the synonym of “Happy”?
a) Sad
b) Joyful
c) Angry
d) Worried
Answer:
b) Joyful — It means the same as happy.
Analytical Reasoning
Question 51. If all roses are flowers and some flowers fade quickly, which of the following is true?
a) All roses fade quickly
b) Some roses are flowers
c) All flowers are roses
d) Some flowers are not roses
Answer:
d) Some flowers are not roses — All roses are flowers, but not all flowers are roses.
Question 52. Statements: All pencils are tools. All tools are useful. Conclusion: All pencils are useful.
a) True
b) False
c) Can’t say
d) None
Answer:
a) True — If all pencils are tools, and all tools are useful, then all pencils are useful.
Question 53. Which of the following diagrams best represents the relationship: Animals, Dogs, Cats?
a) Three separate circles
b) One circle inside another
c) Two overlapping circles within a bigger circle
d) A triangle
Answer:
c) Two overlapping circles within a bigger circle — Dogs and cats are subsets of animals.
Question 54. All mangoes are fruits. Some fruits are sweet. Which of the following is correct?
a) All mangoes are sweet
b) Some mangoes are not fruits
c) Some fruits may not be mangoes
d) All fruits are mangoes
Answer:
c) Some fruits may not be mangoes — Only all mangoes are fruits is guaranteed, not the reverse.
Question 55. Find the missing number: 2, 6, 12, 20, ?
a) 28
b) 30
c) 32
d) 34
Answer:
c) 30 — Pattern is: +4, +6, +8, +10 → Next = 20 + 10 = 30.
Question 56. Which number comes next: 1, 4, 9, 16, 25, ?
a) 36
b) 49
c) 32
d) 30
Answer:
a) 36 — Square numbers: 1², 2², 3², 4², 5², 6².
Question 57. If Monday is the 1st day of the month, what day will be the 8th?
a) Monday
b) Tuesday
c) Wednesday
d) Thursday
Answer:
a) Monday — Every 7th day repeats, so 8th = Monday.
Question 58. What comes next in this pattern: A1, B2, C3, D4, ?
a) E4
b) E5
c) F6
d) E6
Answer:
b) E5 — Alphabet increases by one, number increases by one.
Question 59. Which shape is the odd one out: Circle, Triangle, Square, Cube
a) Circle
b) Triangle
c) Square
d) Cube
Answer:
d) Cube — All others are 2D shapes; cube is 3D.
Question 60. Rina is taller than Tina but shorter than Meena. Who is the tallest?
a) Rina
b) Tina
c) Meena
d) Can’t say
Answer:
c) Meena — Rina is shorter than Meena, so Meena is tallest.
Blood Relation
Question 61. Rahul said, “He is the only son of my grandfather.” Who is he referring to?
a) Father
b) Uncle
c) Brother
d) Cousin
Answer:
a) Father — The only son of Rahul’s grandfather is Rahul’s father.
Question 62. Priya is the daughter of Ramesh. Ramesh is the brother of Suresh. How is Suresh related to Priya?
a) Father
b) Uncle
c) Grandfather
d) Brother
Answer:
b) Uncle — Suresh is Ramesh’s brother, so he is Priya’s uncle.
Question 63. Pointing to a man, Neha said, “He is the son of my mother’s only son.” Who is the man to Neha?
a) Brother
b) Cousin
c) Nephew
d) Son
Answer:
d) Son — Neha’s mother’s only son is Neha’s brother. His son would be Neha’s nephew or son depending on the generation. But if Neha is the mother’s only child, it refers to her own son.
Question 64. A is the sister of B. B is the brother of C. C is the son of D. How is A related to D?
a) Daughter
b) Niece
c) Sister
d) Mother
Answer:
a) Daughter — A and C are siblings, and C is son of D. So, A is also the child of D.
Question 65. Raj says, “My mother’s mother’s daughter is my ___.”
a) Aunt
b) Sister
c) Cousin
d) Mother
Answer:
d) Mother — Mother’s mother’s daughter = mother.
Question 66. Ravi is the father of Reena. Sita is the mother of Ravi. How is Sita related to Reena?
a) Aunt
b) Grandmother
c) Sister
d) Mother
Answer:
b) Grandmother — Sita is Reena’s grandmother.
Question 67. Pointing to a girl, Rohan said, “She is the daughter of the only sister of my father.” How is the girl related to Rohan?
a) Sister
b) Cousin
c) Aunt
d) Niece
Answer:
b) Cousin — Father’s only sister’s daughter is a cousin.
Question 68. A man is looking at a photograph. He says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the photograph?
a) His son
b) His cousin
c) His brother
d) Himself
Answer:
a) His son — “My father’s son” is himself. So that man’s father is himself → that man is his son.
Question 69. Meena’s father is the only son of Ravi’s father. How is Ravi related to Meena?
a) Brother
b) Father
c) Uncle
d) Grandfather
Answer:
b) Father — Meena’s father and Ravi’s father are the same person, so Ravi is Meena’s father.
Question 70. If A is the mother of B, and B is the father of C, how is A related to C?
a) Aunt
b) Mother
c) Grandmother
d) Sister
Answer:
c) Grandmother — A is C’s grandmother.
Classification
Question 71. Choose the odd one out:
a) Dog
b) Cat
c) Lion
d) Sparrow
Answer:
d) Sparrow — All others are mammals, while sparrow is a bird.
Question 72. Pick the one that does not belong to the group:
a) Rose
b) Lotus
c) Lily
d) Mango
Answer:
d) Mango — All others are flowers, mango is a fruit.
Question 73. Identify the odd one:
a) Car
b) Bike
c) Bus
d) Road
Answer:
d) Road — All others are vehicles, road is not.
Question 74. Which one is different from the rest?
a) January
b) March
c) April
d) Sunday
Answer:
d) Sunday — All others are months, Sunday is a day.
Question 75. Select the odd one:
a) Knife
b) Scissors
c) Spoon
d) Blade
Answer:
c) Spoon — All others are used for cutting, spoon is not.
Question 76. Choose the different one:
a) 2
b) 3
c) 5
d) 9
Answer:
d) 9 — All others are prime numbers, 9 is not.
Question 77. Find the odd one:
a) Earth
b) Mars
c) Jupiter
d) Moon
Answer:
d) Moon — All others are planets, Moon is a natural satellite.
Question 78. Pick the one that doesn’t belong:
a) Gold
b) Silver
c) Iron
d) Plastic
Answer:
d) Plastic — All others are metals, plastic is not.
Question 79. Choose the odd one out:
a) Apple
b) Orange
c) Banana
d) Potato
Answer:
d) Potato — All others are fruits, potato is a vegetable.
Question 80. Which is different from the group?
a) North
b) South
c) Up
d) East
Answer:
c) Up — All others are cardinal directions; “Up” is not.
