Introduction to Mental Ability Questions for Class 5–8
Mental ability plays a very important role in a student’s overall academic development, especially for students studying in Class 5 to Class 8. At this stage, students start learning how to think logically, solve problems quickly, and understand patterns. Mental ability questions are designed exactly for this purpose — to sharpen the brain and improve decision-making skills.
A mental ability test is not about memorizing answers. Instead, it checks how well a student can analyze a situation, find relationships between numbers or words, and choose the correct answer within a short time. These skills are extremely useful not only in school exams but also in competitive exams later in life.
Many students feel scared when they hear the term mental ability, but in reality, mental ability questions are fun and interesting when practiced regularly. Questions based on number series, analogy, odd one out, basic arithmetic, shapes, days and dates, and logical reasoning help students build confidence and accuracy step by step.
This page provides mental ability questions specially prepared for Class 5 to 8 students, keeping their learning level in mind. The questions are simple, clear, and explained in an easy way so that students can understand without stress. Each mental ability test is created to encourage thinking, not guessing.
🔹 Why Mental Ability Questions Are Important for Class 5–8 Students
Mental ability is the foundation of smart learning. When students practice mental ability questions from an early stage, they develop a strong thinking process that helps them in all subjects.
1. Improves Logical Thinking
Mental ability questions train the brain to think logically. Students learn how to analyze problems, identify patterns, and apply reasoning instead of memorizing answers.
2. Boosts Problem-Solving Skills
Regular practice of mental ability tests helps students solve problems faster and more accurately. This skill is very helpful in mathematics, science, and even daily life situations.
3. Builds Exam Confidence
Many school exams include mental ability or reasoning-based questions. Practicing these questions reduces exam fear and increases confidence during tests.
4. Enhances Concentration and Focus
Mental ability questions require attention and concentration. Solving them daily helps students stay focused for longer periods, which improves overall study performance.
5. Prepares for Competitive Exams
Exams like Olympiads, scholarship tests, NTSE (later stages), and other entrance tests include mental ability sections. Early practice gives students a strong advantage in the future.
6. Encourages Smart Learning
Mental ability tests promote smart learning instead of rote learning. Students learn how to think independently and arrive at correct answers using logic.
Getting Started with Mental Ability Tests
Mental Ability – 200 Questions
Q1. What comes next? 2, 4, 8, 16, ?
Correct Answer: C. 32
Q2. Find the odd one out.
Correct Answer: D. Cow
Q3. If A = 1, B = 2, Z = ?
Correct Answer: C. 26
Q4. Which number is missing? 5, 10, 20, ?, 80
Correct Answer: C. 40
Q5. Pen : Write :: Knife : ?
Correct Answer: B. Cut
Q6. Which one is different?
Correct Answer: D. Circle
Q7. 3, 9, 27, ?
Correct Answer: B. 81
Q8. Which is the smallest?
Correct Answer: D. 0.1
Q9. Book : Knowledge :: Food : ?
Correct Answer: C. Energy
Q10. Find the odd number.
Correct Answer: D. 21
Q11. Day before yesterday of Monday?
Correct Answer: B. Saturday
Q12. Which one is not a metal?
Correct Answer: D. Plastic
Q13. 1, 4, 9, 16, ?
Correct Answer: B. 25
Q14. Which is the longest?
Correct Answer: B. Kilometer
Q15. Eye : See :: Ear : ?
Correct Answer: C. Hear
Q16. Which is a prime number?
Correct Answer: D. 11
Q17. Find the odd one.
Correct Answer: D. Potato
Q18. 10% of 200 = ?
Correct Answer: B. 20
Q19. Which one is not a sense organ?
Correct Answer: D. Heart
Q20. Sun rises in the?
Correct Answer: C. East
Q21. Which is heavier?
Correct Answer: C. Both equal
Q22. Which one can fly?
Correct Answer: C. Bird
Q23. How many days in a leap year?
Correct Answer: B. 366
Q24. Which number comes before 100?
Correct Answer: B. 99
Q25. Which is a vowel?
Correct Answer: D. A
Q26. What comes next? 1, 3, 6, 10, ?
Correct Answer: C. 15
Q27. Find the odd one out.
Correct Answer: D. Square
Q28. If 5 + 3 = 28 and 7 + 2 = 63, then 6 + 4 = ?
Correct Answer: B. 40
Q29. Which number is missing? 7, 14, 21, ?, 35
Correct Answer: C. 28
Q30. Car : Road :: Ship : ?
Correct Answer: B. Water
Q31. Which one is different?
Correct Answer: D. Chair
Q32. 100 ÷ 4 = ?
Correct Answer: B. 25
Q33. Which is the fastest?
Correct Answer: C. Aeroplane
Q34. Find the odd number.
Correct Answer: D. 9
Q35. Which one is a liquid?
Correct Answer: B. Water
Q36. 12 × 5 = ?
Correct Answer: C. 60
Q37. Which is not a bird?
Correct Answer: D. Bat
Q38. Find the missing letter: A, C, E, ?
Correct Answer: B. G
Q39. Which one is used to measure temperature?
Correct Answer: B. Thermometer
Q40. How many sides does a pentagon have?
Correct Answer: B. 5
Q41. Which one is heavier?
Correct Answer: B. 1 kg
Q42. Which month has 28 days?
Correct Answer: C. All months
Q43. Which shape has no corners?
Correct Answer: D. Circle
Q44. 50% of 80 = ?
Correct Answer: C. 40
Q45. Which is a domestic animal?
Correct Answer: C. Cow
Q46. Find the odd one.
Correct Answer: D. Earth
Q47. Which number is even?
Correct Answer: D. 18
Q48. Which is used for writing?
Correct Answer: B. Pen
Q49. How many hours in a day?
Correct Answer: C. 24
Q50. Which one is a vegetable?
Correct Answer: C. Potato
Q51. What comes next? 5, 10, 15, 20, ?
Correct Answer: C. 25
Q52. Find the odd one out.
Correct Answer: D. Apple
Q53. If 9 × 3 = 27 and 8 × 4 = 32, then 7 × 5 = ?
Correct Answer: C. 35
Q54. Which number is missing? 2, 6, 12, ?, 30
Correct Answer: A. 18
Q55. Hand : Glove :: Foot : ?
Correct Answer: A. Sock
Q56. Which one is different?
Correct Answer: D. Television
Q57. 144 ÷ 12 = ?
Correct Answer: C. 12
Q58. Which is the largest?
Correct Answer: D. 0.999
Q59. Milk : Dairy :: Wheat : ?
Correct Answer: A. Bakery
Q60. Find the odd number.
Correct Answer: C. 24
Q61. Which one is used for cutting paper?
Correct Answer: C. Scissors
Q62. How many weeks are there in a year?
Correct Answer: C. 52
Q63. Which shape has four equal sides?
Correct Answer: B. Square
Q64. 75% of 200 = ?
Correct Answer: C. 150
Q65. Which is a wild animal?
Correct Answer: D. Lion
Q66. Find the odd one.
Correct Answer: C. Sunday
Q67. Which number is a multiple of 5?
Correct Answer: C. 25
Q68. Which is used to see far objects?
Correct Answer: B. Telescope
Q69. How many minutes are there in one hour?
Correct Answer: C. 60
Q70. Which one is a fruit?
Correct Answer: B. Tomato
Q71. Find the odd number.
Correct Answer: B. 144
Q72. Which gas do plants absorb?
Correct Answer: C. Carbon Dioxide
Q73. Which is the smallest unit of length?
Correct Answer: C. Millimeter
Q74. Which one is used to measure time?
Correct Answer: B. Clock
Q75. Which day comes after Friday?
Correct Answer: B. Saturday
Q76. What comes next? 4, 9, 16, 25, ?
Correct Answer: C. 36
Q77. Find the odd one out.
Correct Answer: A. Sun
Q78. If CAT = 3120, then DOG = ?
Correct Answer: B. 4715
Q79. Which number is missing? 3, 6, 12, ?, 48
Correct Answer: C. 24
Q80. Teacher : School :: Doctor : ?
Correct Answer: B. Hospital
Q81. Which one is different?
Correct Answer: D. Plastic
Q82. 18 × 4 = ?
Correct Answer: C. 72
Q83. Which is the lightest?
Correct Answer: B. Cotton
Q84. Find the odd number.
Correct Answer: D. 45
Q85. Which one is used to write on blackboard?
Correct Answer: C. Chalk
Q86. 1 km = ? meters
Correct Answer: C. 1000
Q87. Which animal is known as the king of jungle?
Correct Answer: C. Lion
Q88. Find the odd one.
Correct Answer: D. Mango
Q89. Which number is divisible by 3?
Correct Answer: B. 27
Q90. Which tool is used to measure weight?
Correct Answer: B. Scale
Q91. How many vowels are there in English?
Correct Answer: B. 5
Q92. Which planet is known as the Red Planet?
Correct Answer: B. Mars
Q93. 25% of 200 = ?
Correct Answer: C. 50
Q94. Which one is a mode of transport?
Correct Answer: A. Train
Q95. Which number comes after 999?
Correct Answer: A. 1000
Q96. Find the odd one.
Correct Answer: D. Monday
Q97. Which instrument is used to see very small objects?
Correct Answer: B. Microscope
Q98. How many seconds are there in one minute?
Correct Answer: C. 60
Q99. Which one is a source of energy?
Correct Answer: A. Sun
Q100. Which day comes before Sunday?
Correct Answer: C. Saturday
Q101. What comes next? 2, 6, 18, 54, ?
Correct Answer: C. 162
Q102. Find the odd one out.
Correct Answer: D. Book
Q103. If 12 + 12 = 144 and 11 + 11 = 121, then 10 + 10 = ?
Correct Answer: A. 100
Q104. Which number is missing? 1, 4, 9, ?, 25
Correct Answer: C. 16
Q105. Bird : Fly :: Fish : ?
Correct Answer: B. Swim
Q106. Which one is different?
Correct Answer: A. Chair
Q107. 15 × 6 = ?
Correct Answer: C. 90
Q108. Which is the smallest?
Correct Answer: D. 0.008
Q109. Teacher : Student :: Doctor : ?
Correct Answer: B. Patient
Q110. Find the odd number.
Correct Answer: D. 22
Q111. Which is used to open a lock?
Correct Answer: C. Key
Q112. How many months are there in a year?
Correct Answer: C. 12
Q113. Which shape has three sides?
Correct Answer: C. Triangle
Q114. 60% of 200 = ?
Correct Answer: C. 120
Q115. Which is a domestic animal?
Correct Answer: C. Dog
Q116. Find the odd one.
Correct Answer: B. Tuesday
Q117. Which number is divisible by 4?
Correct Answer: C. 24
Q118. Which device is used to measure speed?
Correct Answer: C. Speedometer
Q119. How many legs does a spider have?
Correct Answer: B. 8
Q120. Which one is a fruit?
Correct Answer: C. Apple
Q121. Find the odd number.
Correct Answer: B. 21
Q122. Which gas is essential for breathing?
Correct Answer: C. Oxygen
Q123. Which is the smallest unit of time?
Correct Answer: A. Second
Q124. Which one is used to clean teeth?
Correct Answer: C. Toothpaste
Q125. Which day comes after Monday?
Correct Answer: B. Tuesday
Q126. What comes next? 1, 1, 2, 3, 5, ?
Correct Answer: C. 8
Q127. Find the odd one out.
Correct Answer: D. Sunday
Q128. If 3 → 9 and 5 → 25, then 7 → ?
Correct Answer: C. 49
Q129. Which number is missing? 2, 5, 10, 17, ?
Correct Answer: B. 26
Q130. Doctor : Stethoscope :: Painter : ?
Correct Answer: A. Brush
Q131. Which one is different?
Correct Answer: D. Milk
Q132. 9 × 8 = ?
Correct Answer: C. 72
Q133. Which is the largest?
Correct Answer: C. 0.75
Q134. Knife : Cut :: Pen : ?
Correct Answer: B. Write
Q135. Find the odd number.
Correct Answer: D. 25
Q136. Which is used to measure angles?
Correct Answer: C. Protractor
Q137. How many continents are there?
Correct Answer: C. 7
Q138. Which shape has the most sides?
Correct Answer: D. Hexagon
Q139. 40% of 250 = ?
Correct Answer: B. 100
Q140. Which is a water animal?
Correct Answer: B. Whale
Q141. Find the odd one.
Correct Answer: D. Glass
Q142. Which number is a prime?
Correct Answer: C. 29
Q143. Which instrument measures air pressure?
Correct Answer: B. Barometer
Q144. How many letters are there in the English alphabet?
Correct Answer: C. 26
Q145. Which one is a means of communication?
Correct Answer: A. Telephone
Q146. Find the odd number.
Correct Answer: A. 64
Q147. Which gas is used in balloons?
Correct Answer: D. Helium
Q148. Which is the largest ocean?
Correct Answer: D. Pacific
Q149. How many sides does an octagon have?
Correct Answer: C. 8
Q150. Which day comes before Wednesday?
Correct Answer: C. Tuesday
Q151. What comes next? 2, 3, 5, 7, 11, ?
Correct Answer: B. 13
Q152. Find the odd one out.
Correct Answer: D. Cube
Q153. If 4 → 16 and 6 → 36, then 9 → ?
Correct Answer: B. 81
Q154. Which number is missing? 1, 4, 10, 20, ?
Correct Answer: B. 32
Q155. Eye : Vision :: Ear : ?
Correct Answer: C. Hearing
Q156. Which one is different?
Correct Answer: D. Plastic
Q157. 21 ÷ 3 = ?
Correct Answer: C. 7
Q158. Which is the largest?
Correct Answer: D. 0.75
Q159. Farmer : Field :: Teacher : ?
Correct Answer: A. School
Q160. Find the odd number.
Correct Answer: A. 27
Q161. Which tool is used to tighten screws?
Correct Answer: C. Screwdriver
Q162. How many days are there in a week?
Correct Answer: C. 7
Q163. Which shape has five sides?
Correct Answer: B. Pentagon
Q164. 30% of 300 = ?
Correct Answer: C. 90
Q165. Which is a domestic bird?
Correct Answer: C. Hen
Q166. Find the odd one.
Correct Answer: C. January
Q167. Which number is divisible by 9?
Correct Answer: A. 27
Q168. Which instrument measures wind speed?
Correct Answer: B. Anemometer
Q169. How many months have 31 days?
Correct Answer: C. 7
Q170. Which one is a fruit?
Correct Answer: C. Banana
Q171. Find the odd number.
Correct Answer: A. 16
Q172. Which gas is essential for combustion?
Correct Answer: A. Oxygen
Q173. Which is the smallest unit of data?
Correct Answer: A. Bit
Q174. Which one is used to measure distance?
Correct Answer: A. Scale
Q175. Which day comes after Saturday?
Correct Answer: B. Sunday
Q176. What comes next? 1, 4, 9, 16, 25, ?
Correct Answer: C. 36
Q177. Find the odd one out.
Correct Answer: D. Bicycle
Q178. If 2 → 4, 3 → 9, 4 → 16 then 5 → ?
Correct Answer: B. 25
Q179. Which number is missing? 5, 10, 20, 40, ?
Correct Answer: C. 80
Q180. Fire : Heat :: Ice : ?
Correct Answer: A. Cold
Q181. Which one is different?
Correct Answer: D. Apple
Q182. 14 × 7 = ?
Correct Answer: C. 98
Q183. Which is the smallest?
Correct Answer: D. 0.0002
Q184. Cow : Milk :: Bee : ?
Correct Answer: B. Honey
Q185. Find the odd number.
Correct Answer: B. 144
Q186. Which tool is used to cut wood?
Correct Answer: B. Axe
Q187. How many hours are there in a week?
Correct Answer: C. 168
Q188. Which shape has eight sides?
Correct Answer: C. Octagon
Q189. 15% of 200 = ?
Correct Answer: C. 30
Q190. Which is a wild animal?
Correct Answer: C. Deer
Q191. Find the odd one.
Correct Answer: D. January
Q192. Which number is divisible by 11?
Correct Answer: A. 121
Q193. Which instrument measures humidity?
Correct Answer: C. Hygrometer
Q194. How many bytes make one kilobyte?
Correct Answer: D. 1024
Q195. Which one is used to measure weight?
Correct Answer: A. Scale
Q196. Which gas do humans breathe in?
Correct Answer: C. Oxygen
Q197. Find the odd number.
Correct Answer: A. 8
Q198. Which planet is closest to the Sun?
Correct Answer: C. Mercury
Q199. How many letters are there in the word “MENTAL”?