Best 235 Questions Based on International Mathematical Olympiad IMO Class 3 Questions

 Topics covered in the Class 3 Math Olympiad 235 Best questions:

1. Addition and subtraction

2. Multiplication

3. Division

4. Number sequences

5. Time and clocks

6. Geometry (shapes, perimeter, and area)

7. Fractions and percentages

8. Measurement (length, weight, volume)

9. Money and cost calculation

10. Speed, distance, and time

11. Basic algebra (finding unknown numbers)

12. Patterns and logic

13. Word problems

14. Remainders

15. Counting and grouping

These topics are essential for developing a strong mathematical foundation for students preparing for Olympiad exams

100 Question Math Olympiad Class 3 

1. What is the sum of 56 and 32?  

2. Subtract 27 from 54.  

3. Multiply 12 by 4.  

4. Divide 64 by 8.  

5. What is the next number in the sequence: 2,

 4, 6, 8, ___?  

6. Which number is greater: 128 or 182?  

7. How many tens are there in 350?  

8. What is 3 times 7 plus 9?  

9. Find the missing number: 45 + ___ = 78.  

10. What is the perimeter of a square with sides of length 6 cm?  

11. A pizza is cut into 8 slices. If you eat 3 slices, how many slices are left?  

12. Solve: 4 + 5 × 3 - 2.  

13. What is half of 80?  

14. How many months are there in 2 years?  

15. Write 725 in words.  

16. How many edges does a cube have?  

17. If a rectangle’s length is 7 cm and width is 3 cm, what is its area?  

18. What is the smallest even number?  

19. How many days are there in a leap year?  

20. If a basket has 24 apples and you take 9 away, how many are left?  

21. Find the missing number: 5 × ___ = 25.  

22. What is 25 percent of 100?  

23. Round 432 to the nearest ten.  

24. What is 15 divided by 3?  

25. How many hours are there in 3 days?  

26. What is the sum of the angles in a triangle?  

27. Subtract 13 from 60.  

28. How many 5s are there in 50?  

29. If you buy 4 candies costing ₹5 each, how much will you spend?  

30. What is the product of 6 and 9?  

31. Convert 2 meters into centimeters.  

32. Write the Roman numeral for 50.  

33. Add 243 and 567.  

34. What is one-third of 90?  

35. Multiply 9 by 11.  

36. How many minutes are there in 2 hours?  

37. If a clock shows 3:15, how many minutes have passed since 3:00?  

38. What is 75 minus 34?  

39. Divide 81 by 9.  

40. How many faces does a pyramid have?  

41. If a pen costs ₹12 and you have ₹50, how much money will be left after buying the pen?  

42. What is the greatest two-digit number?  

43. Multiply 8 by 7.  

44. If a book has 120 pages and you read 35, how many pages are left?  

45. Add 123 and 456.  

46. Subtract 88 from 100.  

47. What is 20 percent of 200?  

48. How many sides does a pentagon have?  

49. Find the missing number: ___ × 6 = 42.  

50. Convert 300 seconds into minutes.

Reasoning Questions:

1. Find the odd one out: 4, 8, 15, 16.  

2. If Ravi is 3 years younger than Sam and Sam is 12, how old is Ravi?  

3. A clock shows 6:30. What time will it be 2 hours and 15 minutes later?  

4. What is the missing number in the series: 5, 10, 15, ___, 25?  

5. Which shape has 4 sides of equal length?  

6. Raj has 5 apples and gives 2 to his friend. How many apples does he have left?  

7. Find the next number in the sequence: 1, 3, 6, 10, ___?  

8. Which is heavier, 1 kg of cotton or 1 kg of iron?  

9. What comes next in this pattern: triangle, square, triangle, square, ___?  

10. If it takes 2 hours to walk 6 km, how long will it take to walk 18 km?  

11. Which number is the odd one out: 12, 14, 16, 18, 21?  

12. A car travels 60 km in 2 hours. What is its speed?  

13. If a week starts on Tuesday, what day will it be after 10 days?  

14. Solve: If 5 cats catch 5 mice in 5 minutes, how many mice will 10 cats catch in 10 minutes?  

15. A bus leaves every 15 minutes starting at 10:00 AM. What time will the next bus leave if it is currently 10:35 AM?  

16. What number is missing from the pattern: 2, 4, ___, 8, 10?  

17. If you have ₹50 and you buy two pencils for ₹15 each, how much money do you have left?  

18. Which number is greater: 125 or 215?  

19. Identify the missing shape: square, circle, square, circle, ___?  

20. There are 12 candies in a box. If you take out 3 candies, how many are left?  

21. How many total legs do 4 cats have?  

22. A farmer has 3 cows, 4 chickens, and 5 goats. How many animals does the farmer have in total?  

23. If today is Friday, what day will it be after 3 days?  

24. A plant grows 2 cm each day. How tall will it be after 6 days?  

25. Fill in the blank: 5, 10, 20, ___, 80.  

26. How many sides does a hexagon have?  

27. If a glass holds 250 ml of water, how much water will 4 glasses hold?  

28. Ravi’s school starts at 9:00 AM and ends at 3:00 PM. How many hours is his school day?  

29. Which is larger: 3/4 or 2/3?  

30. A bus can hold 40 passengers. If 25 passengers are on board, how many more passengers can board?  

31. What number should come next: 12, 24, 36, ___?  

32. A movie starts at 4:30 PM and ends at 6:00 PM. How long is the movie?  

33. Find the odd one out: 7, 14, 21, 28, 32.  

34. Which is smaller: 1/2 or 1/4?  

35. A rectangle has a length of 8 cm and a width of 5 cm. What is its perimeter?  

36. There are 5 ducks in a pond. If 2 more ducks join, how many ducks are there now?  

37. A train arrives every 20 minutes. If the train just left, how long will you wait for the next one?  

38. What is the next letter in the series: A, C, E, G, ___?  

39. Which is greater: 1/3 or 2/5?  

40. If 4 pencils cost ₹20, how much does 1 pencil cost?  

41. There are 4 boxes with 6 candies each. How many candies are there in total?  

42. Solve the pattern: 100, 90, 80, ___, 60.  

43. If a bottle holds 500 ml of juice, how much juice is in 3 bottles?  

44. A bus leaves every 10 minutes. What time will the next bus leave if it is now 3:05 PM?  

45. There are 3 red balls, 2 green balls, and 5 blue balls. How many balls are there in total?  

46. What is the next shape in the pattern: square, circle, square, circle, ___?  

47. Ravi has 15 marbles and gives 7 to his friend. How many marbles does he have left?  

48. Which is heavier, 2 kg of sugar or 2 kg of flour?  

49. A car travels 100 km in 2 hours. What is its speed?  

50. A book has 200 pages. If you read 50 pages each day, how many days will it take to finish the book?

135 Questions Class 3 Math Olympiad  based on past papers from various Olympiads around the world:

1. If 15 plus a number is 45, what is the number?  

2. What is the product of 6 and 5?  

3. A pencil costs ₹8. How much will 7 pencils cost?  

4. What is the remainder when 35 is divided by 6?  

5. How many faces does a cube have?  

6. The perimeter of a square is 24 cm. What is the length of one side?  

7. A tree grows 5 cm every day. How much will it grow in 7 days?  

8. If 1 pack of pencils contains 12 pencils, how many pencils are there in 5 packs?  

9. What is the next number in the sequence: 5, 10, 20, 40, ___?  

10. If it takes 10 minutes to walk 2 km, how long will it take to walk 8 km?  

11. What is 75 percent of 80?  

12. Subtract 64 from 100.  

13. A car travels 60 km in 1 hour. How far will it travel in 4 hours?  

14. How many months have 31 days?  

15. If 5 notebooks cost ₹20, how much does 1 notebook cost?  

16. What is the sum of the angles in a quadrilateral?  

17. A room is 5 meters long and 4 meters wide. What is its area?  

18. How many quarters make ₹1?  

19. Multiply 8 by 7.  

20. Divide 100 by 4.  

21. How many hours are there in 5 days?  

22. What is 10 percent of 200?  

23. Round 298 to the nearest hundred.  

24. If a triangle has sides of 3 cm, 4 cm, and 5 cm, what is its perimeter?  

25. What is the smallest three-digit number?  

26. What number is halfway between 50 and 100?  

27. How many centimeters are there in 5 meters?  

28. Subtract 256 from 500.  

29. Multiply 15 by 3.  

30. What is the sum of 9, 18, and 27?  

31. If today is Wednesday, what day will it be 5 days later? 

32. How many sides does an octagon have?  

33. What is 1/4 of 48?  

34. If a box has 60 candies and you give away 25, how many candies are left?  

35. Add 456 and 789.  

36. What is the product of 12 and 6?  

37. Divide 72 by 8.  

38. How many minutes are there in 4 hours?  

39. A book has 300 pages. If you read 50

 pages a day, how many days will it take to finish the book?  

40. If a train travels 90 km in 3 hours, what is its speed?  

41. What is the next number in the sequence: 11, 22, 33, 44, ___?  

42. Multiply 9 by 8.  

43. If you have 3 apples and you give 2 to a friend, how many do you have left?  

44. Find the sum of 147 and 368.  

45. What is the perimeter of a rectangle with sides of 7 cm and 4 cm?  

46. How many days are there in 3 weeks?  

47. Divide 144 by 12.  

48. If a bus leaves every 15 minutes and it is currently 2:20 PM, when will the next bus leave?  

49. What is 50 percent of 120?  

50. A car travels at 60 km per hour. How far will it travel in 3 hours?  

51. How many legs do 6 spiders have in total?  

52. A basket has 40 apples and 10 oranges. How many fruits are in the basket?  

53. If you subtract 25 from 73, what is the result?  

54. Multiply 11 by 5.  

55. Add 248 and 539.  

56. How many sides does a hexagon have?  

57. What is 10 percent of 500?  

58. Divide 81 by 9.  

59. If a box has 20 chocolates and you eat 4, how many are left?  

60. If you walk 3 km in 30 minutes, how far will you walk in 2 hours?  

61. What is the remainder when 39 is divided by 7?  

62. Multiply 6 by 7.  

63. If a pizza is cut into 10 slices and you eat 4, how many slices are left?  

64. Add 317 and 465.  

65. Subtract 89 from 200.  

66. What is the perimeter of a triangle with sides of 5 cm, 6 cm, and 7 cm?  

67. How many minutes are there in a day?  

68. Divide 108 by 9.  

69. Multiply 12 by 8.  

70. How many edges does a rectangular box have?  

71. A book costs ₹75 and you have ₹100. How much change will you get back if you buy the book?  

72. What is 1/5 of 50?  

73. Add 600 and 250.  

74. What is the next number in the sequence:

 2, 4, 6, 8, ___?  

75. Multiply 9 by 9.  

76. A table has 4 legs. How many legs do 6 tables have?  

77. Divide 125 by 5.  

78. If a car travels 100 km in 2 hours, what is its speed?  

79. What is the sum of 45 and 36?  

80. Subtract 250 from 500.  

81. Multiply 15 by 4.  

82. If you have 3 oranges and you buy 5 more, how many oranges do you have?  

83. Add 184 and 321.  

84. Subtract 98 from 300.  

85. Multiply 7 by 12.  

86. How many faces does a cube have?  

87. Divide 180 by 6.  

88. How many centimeters are there in 3 meters?  

89. What is the sum of 87 and 45?  

90. If you have ₹500 and you buy a toy for ₹375, how much money is left?  

91. What is the smallest two-digit number?  

92. If you walk 1 km every 15 minutes, how far will you walk in 1 hour?  

93. Add 789 and 421.  

94. What is 75 percent of 200?  

95. How many days are there in 4 weeks?  

96. Multiply 16 by 5.  

97. Divide 144 by 8.  

98. Subtract 45 from 120.  

99. If you have 20 chocolates and give 8 to a friend, how many are left?  

100. A movie starts at 6:00 PM and lasts for 2 hours. What time does it end?  

101. Multiply 11 by 11.  

102. If you have ₹100 and buy a book for ₹60, how much money do you have left?  

103. Divide 225 by 15.  

104. What is the sum of 236 and 764?  

105. Subtract 128 from 500.  

106. How many hours are there in a week?  

107. Multiply 13 by 7.  

108. If you have ₹400 and you spend ₹250, how much is left?  

109. Divide 144 by 9.  

110. What is the product of 8 and 12?  

111. How many days are there in 6 months?  

112. What is 20 percent of 1000?  

113. Add 365 and 135.  

114. Subtract 95 from 400.  

115. Multiply 5 by 6.  

116. A room is 8 meters long and 5 meters wide. What is its perimeter?  

117. If a car travels 120 km in 2 hours, what is its speed?  

118. Divide 99 by 3.  

119. Add 500 and 450.  

120. Subtract 38 from 100.  

121. Multiply 10 by 12.  

122. Divide 400 by 50.  

123. If a pizza is cut into 8 slices and you eat 5, how many slices are left?  

124. What is the next number in the sequence: 3, 6, 9, 12, ___?  

125. Add 673 and 327.  

126. Subtract 256 from 800.  

127. Multiply 14 by 3.  

128. What is 10 percent of 300?  

129. Divide 360 by 9.  

130. Add 200 and 150.  

131. Subtract 65 from 90.  

132. Multiply 9 by 11.  

133. A car travels 70 km in 1 hour. How far will it travel in 3 hours?  

134. How many minutes are there in 3 hours?  

135. Divide 50 by 5.  

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