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Class 9 Practice Level 1 – Number Systems

Total questions: 40

1.

Which of the following numbers is a rational number?

Topic: Real Numbers

\sqrt{2}

3.14

\frac{1}{2}

π

None

2.

Identify the irrational number.

Topic: Real Numbers

\sqrt{3}

4

- 5

\frac{2}{3}

None

3.

Which of the following is a terminating decimal?

Topic: Real Numbers

\frac{1}{3}

\frac{1}{4}

\frac{1}{7}

\frac{1}{9}

None

4.

Which of the following represents a rational number?

Topic: Real Numbers

\sqrt{5}

π

0.333 . . .

e ({Euler}^{'} s number)

None

5.

What is the decimal expansion of

\frac{1}{8}

?

Topic: Real Numbers

0.125

0.0125

0.1255

0.01255

None

6.

Which of the following numbers is a perfect square?

Topic: Real Numbers

16

18

20

22

None

7.

Which of the following numbers is not a rational number?

Topic: Real Numbers

0.25

\frac{1}{3}

2.5

\sqrt{7}

None

8.

What is the square root of 64?

Topic: Real Numbers

6

7

8

9

None

9.

Which of the following fractions is equivalent to 0.75?

Topic: Real Numbers

\frac{1}{2}

\frac{3}{4}

\frac{2}{5}

\frac{4}{5}

None

10.

Identify the irrational number among the following:

Topic: Real Numbers

√25

√16

√3

√4

None

11.

Which of the following represents a non-terminating repeating decimal?

Topic: Real Numbers

0.5

0.125

0.333...

0.75

None

12.

What is the product of the square roots of 16 and 25?

Topic: Real Numbers

15

20

30

40

None

13.

Which of the following numbers is a rational number?

Topic: Real Numbers

\sqrt{2}

0.101001000 . . .

π

\frac{- 3}{7}

None

14.

What is the square root of 49?

Topic: Real Numbers

5

6

7

8

None

15.

Identify the irrational number among the following:

Topic: Real Numbers

1.732...

2.5

0.75

\frac{1}{3}

None

16.

Which of the following is a terminating decimal?

Topic: Real Numbers

\frac{1}{3}

\frac{1}{5}

\frac{1}{7}

\frac{1}{9}

None

17.

Which of the following numbers is a perfect square?

Topic: Real Numbers

12

14

15

16

None

18.

What is the decimal expansion of

\frac{3}{8}

?

Topic: Real Numbers

0.375

0.0375

0.3755

0.03755

None

19.

Which of the following is a rational number?

Topic: Real Numbers

\sqrt{3}

\sqrt{5}

0.25

π

None

20.

What is the square root of 81?

Topic: Real Numbers

7

8

9

10

None

21.

Identify the irrational number among the following:

Topic: Real Numbers

1.414...

2.5

0.75

\frac{1}{3}

None

22.

Which of the following represents a terminating decimal?

Topic: Real Numbers

\frac{2}{3}

\frac{1}{3}

\frac{5}{8}

\frac{7}{9}

None

23.

Which of the following numbers is a perfect square?

Topic: Real Numbers

18

20

25

28

None

24.

What is the decimal expansion of

\frac{7}{8}

?

Topic: Real Numbers

0.875

0.0875

0.8755

0.08755

None

25.

Which of the following is a rational number?

Topic: Real Numbers

\sqrt{7}

\sqrt{11}

0.125

π

None

26.

What is the square root of 36?

Topic: Real Numbers

5

6

7

8

None

27.

Identify the irrational number among the following:

Topic: Real Numbers

1.732...

2.75

0.25

\frac{1}{4}

None

28.

Which of the following represents a non-terminating repeating decimal?

Topic: Real Numbers

0.5

0.625

0.666...

0.75

None

29.

What is the product of the square roots of 9 and 16?

Topic: Real Numbers

10

12

14

15

None

30.

Which of the following numbers is a rational number?

Topic: Real Numbers

\sqrt{2}

0.101001000 . . .

π

\frac{- 5}{6}

None

31.

What is the square root of 100?

Topic: Real Numbers

8

9

10

11

None

32.

Identify the irrational number among the following:

Topic: Real Numbers

1.414...

2.8

0.5

\frac{1}{2}

None

33.

Which of the following represents a terminating decimal?

Topic: Real Numbers

\frac{1}{7}

\frac{4}{9}

\frac{1}{2}

\frac{5}{9}

None

34.

Which of the following numbers is a perfect square?

Topic: Real Numbers

21

24

27

36

None

35.

What is the decimal expansion of

\frac{5}{8}

?

Topic: Real Numbers

0.625

0.0625

0.6255

0.06255

None

36.

Which of the following is a rational number?

Topic: Real Numbers

\sqrt{5}

\sqrt{8}

0.75

π

None

37.

What is the square root of 25?

Topic: Real Numbers

3

4

5

6

None

38.

Identify the irrational number among the following:

Topic: Real Numbers

1.732...

2.75

0.125

\frac{1}{4}

None

39.

Which of the following represents a non-terminating repeating decimal?

Topic: Real Numbers

0.5

0.875

0.777...

0.75

None

40.

What is the product of the square roots of 4 and 9?

Topic: Real Numbers

4

5

6

7

None

1 out of 40

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