Class-3 Math Practice Set – 9

Created on January 09, 2025

Olympiad Class-3 Math Set-9

NameEmailPhone NumberSelect Level / Class

1 / 25

What is the sum of the first 6 counting numbers?

A) 36

B) 15

C) 28

D) 21

2 / 25

If a shirt costs $15 and is on sale for 25% off, what is the final price?

A) $25.50

B) $13.50

C) $10.50

D) $12.75

3 / 25

Solve: 2×(5+3)−2×(5+3)+24.

A) 32

B) 28

C) 24

D) 20

4 / 25

If the average of three numbers is 25, and two of the numbers are 18 and 30, what is the third number?

A) 27

B) 25

C) 20

D) 22

5 / 25

Which of the following is a factor of 18?

A) 3

B) 7

C) 5

D) 9

6 / 25

What is the sum of the first 5 multiples of 6?

A) 18

B) 30

C) 45

D) 60

7 / 25

What is the sum of 90 and 77?

A) 177

B) 147

C) 157

D) 167

8 / 25

Which of the following is a square number?

A) 18

B) 20

C) 16

D) 22

9 / 25

If a dozen cookies is 12, how many cookies are in four dozen?

A) 36

B) 48

C) 40

D) 24

10 / 25

Which of the following is a multiple of 3?

A) 21

B) 9

C) 15

D) 18

11 / 25

If you have 35 apples and give away 22, how many apples do you have left?

A) 13

B) 10

C) 23

D) 20

12 / 25

If a triangle has angles measuring 60 degrees, 70 degrees, and 50 degrees, what type of triangle is it?

A) Isosceles

B) Right-angled

C) Scalene

D) Equilateral

13 / 25

What is the product of the first 5 prime numbers?

A) 200

B) 150

C) 210

D) 120

14 / 25

What is the value of 4 times 50 minus 100?

A) 140

B) 108

C) 106

D) 100

15 / 25

Which of the following is a composite number?

A) 13

B) 19

C) 11

D) 15

16 / 25

What is the value of 4 times 5 minus 2?

A) 18

B) 16

C) 14

D) 20

17 / 25

If a box contains 5 red balls, 3 green balls, and 2 blue balls, what fraction represents the green balls?

A) 1/3

B) 3/10

C) 1/5

D) 2/5

18 / 25

If you divide 250 by 5, what is the result?

A) 20

B) 30

C) 50

D) 40

19 / 25

Which of the following is a 2-dimensional shape?

A) Cylinder

B) Sphere

C) Square

D) Cone

20 / 25

If you have 3 groups of 4 candies each, how many candies do you have in total?

A) 12

B) 9

C) 15

D) 18

21 / 25

Solve: (24÷3)+(24÷3)+5= ?

A) 20

B) 21

C) 24

D) 25

22 / 25

If a bag contains 12 marbles, and 25% of them are blue, how many marbles are blue?

A) 6

B) 5

C) 3

D) 4

23 / 25

If a box contains 15 red balls and 10 blue balls, what fraction of the balls are red?

A) 3/5

B) 3/4

C) 1/2

D) 2/3

24 / 25

Which of the following is a right angle?

A) 150 degrees

B) 120 degree

C) 60 degrees

D) 90 degrees

25 / 25

What is the sum of the first 10 even numbers?

A) 110

B) 50

C) 100

D) 120

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