Chapter 1: Number System - Class 9 Maths

Question 1

What is the decimal expansion of $5\frac{5}{4}?$

Accepted Answer

Terminating

Answer

Non-terminating recurring

Answer

Non-terminating non-recurring

Answer

None of these

Question 2

Which of the following is the decimal expansion of $\frac{5}{7}?\ \left(\frac{1}{7}=0.\overline{571428}\ then\right)$

Accepted Answer

$0.\overline{714285}$

Answer

$0.\overline{142857}$

Answer

$0.\overline{571428}$

Answer

$0.\overline{857142}$

Question 3

Which of the following has non-terminating non-recurring decimal expansion?

Accepted Answer

0.010010001

Answer

$\frac{1}{11}$

Answer

$4\frac{1}{8}$

Answer

$\frac{45}{100}$

Question 4

$\sqrt{625}$ is a/an ________ number.

Accepted Answer

Rational Number

Answer

Irrational Number

Answer

Negative Integer

Answer

None of these

Question 5

Which of the following is an irrational number?

Accepted Answer

Both B and C

Answer

$\sqrt{625}$

Answer

$\sqrt{29}$

Answer

$\sqrt{13}$

Question 6

Which of the following is a rational number?

Accepted Answer

$\frac{1}{\pi }	imes \pi $

Answer

2π

Answer

$\pi ^2$

Answer

π

Question 7

Which of the following is not an example of non-terminating non recurring decimal expansion?

Accepted Answer

$\sqrt{9}$

Answer

$\sqrt{2}$

Answer

$\sqrt{3}$

Answer

$\sqrt{5}$

Question 8

Which of the following is equal to $z^2$

Accepted Answer

$z^5\div z^3$

Answer

$z^6-z^4$

Answer

$z^5	imes z^3$

Answer

$\left(z^4\right)^2$

Question 9

$\left(\ 5-\sqrt{5}\right)\left(\ 5+\sqrt{5}\right)$ is equal to :-

Accepted Answer

20

Answer

10

Answer

$\sqrt{5}$

Answer

$2\sqrt{5}$

Question 10

$\frac{6\frac{2}{3}}{6\frac{2}{5}}\div \frac{6\frac{1}{3}}{6\frac{1}{5}}$ equal to :-

Accepted Answer

$6^{\frac{2}{15}}$

Answer

$6^{\frac{1}{15}}$

Answer

$6^{\frac{3}{15}}$

Answer

$6^{\frac{4}{15}}$

Chapter-1 NUMBER SYSTEM (SET-2)

Quiz Description

Questions in this test

Ratings & Reviews

Suggested Material