Quiz about Revision (Real Numbers)

Question 1

Which of the following numbers is rational ?

Accepted Answer

$$\sqrt[]{484}$$

Answer

$$\sqrt[]{120}$$

Answer

$$\sqrt[]{250}$$

Answer

$$\sqrt[]{356}$$

Question 2

Which of the following numbers is irrational ?

Accepted Answer

$$\frac{2}{\sqrt[]{5}}$$

Answer

3/9

Answer

1/7

Answer

$$\frac{\sqrt[]{9}}{15}$$

Question 3

$$\sqrt[]{76}\ $$ lies between ;

Accepted Answer

8 and 9

Answer

6 and 7

Answer

7 and 8

Answer

9 and 10

Question 4

$$\left(-9^2\right)$$ is equal to ______

Accepted Answer

-81

Answer

81

Answer

-18

Answer

18

Question 5

The sum of the given pattern is ;

1 + 2 + 3 + 4 + ..... + 9 + 10 + 11 + 10 + 9 + ...... + 3 + 2 + 1

Accepted Answer

121

Answer

11

Answer

10

Answer

100

Question 6

Which of the following pattern is true for $$24^2$$

Accepted Answer

1 + 2 + 3 + ..... + 24 + ...... + 3 + 2 + 1

Answer

1 + 2 + 3 + ..... + 23 + 24 + 25 + 24 + ...... + 3 + 2 + 1

Answer

1 + 2 + 3 + ..... + 576 + ...... + 3 + 2 + 1

Answer

1 + 2 + 3 + ..... + 48 + ...... + 3 + 2 + 1

Question 7

The sum of first 7 odd numbers is equal to ____

Accepted Answer

49

Answer

7

Answer

14

Answer

Infinite

Question 8

Which smallest number should be multiplied by 18 to make it a perfect square ?

Accepted Answer

2

Answer

3

Answer

5

Answer

9

Question 9

The correct prime factorization of 60 is :

Accepted Answer

2 x 2 x 3 x 5

Answer

2 x 2 x 3 x 5 x 5

Answer

2 x 2 x 3 x 3 x 5

Answer

2 x 3 x 5

Question 10

Which of the following numbers is suitable to fill the red box ?

Accepted Answer

130

Answer

125

Answer

425

Answer

32.5

Revision (Real Numbers)

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