Class 9 Exam  >  Class 9 Tests  >  Mathematics (Maths) Class 9  >  Test: Number Systems - 1 - Class 9 MCQ

Test: Number Systems - 1 - Class 9 MCQ


Test Description

24 Questions MCQ Test Mathematics (Maths) Class 9 - Test: Number Systems - 1

Test: Number Systems - 1 for Class 9 2024 is part of Mathematics (Maths) Class 9 preparation. The Test: Number Systems - 1 questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Number Systems - 1 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Number Systems - 1 below.
Solutions of Test: Number Systems - 1 questions in English are available as part of our Mathematics (Maths) Class 9 for Class 9 & Test: Number Systems - 1 solutions in Hindi for Mathematics (Maths) Class 9 course. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free. Attempt Test: Number Systems - 1 | 24 questions in 50 minutes | Mock test for Class 9 preparation | Free important questions MCQ to study Mathematics (Maths) Class 9 for Class 9 Exam | Download free PDF with solutions
Test: Number Systems - 1 - Question 1

If x = 2+√3, then x + 1/x =

Detailed Solution for Test: Number Systems - 1 - Question 1


Test: Number Systems - 1 - Question 2

The representation of octal number (532.2)8 in decimal is :

Detailed Solution for Test: Number Systems - 1 - Question 2

Octal to Decimal conversion is obtained by multiplying 8 to the power of base index along with the value at that index position.

(532.2)8 = 5 * 82 + 3 * 81 + 2 * 80 + 2 * 8-1 = (346.25)10

1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Number Systems - 1 - Question 3

The value of  is 

Detailed Solution for Test: Number Systems - 1 - Question 3


Fractorise 
√12 = √ 4 x 3 = √ 2 x 2 x 3 = 2√3
√27 = √ 9 x 3 = √ 3 x 3 x 3 = 3√3

Test: Number Systems - 1 - Question 4

The value of  is 

Detailed Solution for Test: Number Systems - 1 - Question 4


Test: Number Systems - 1 - Question 5

Which of the following is an rational number?

Detailed Solution for Test: Number Systems - 1 - Question 5

- A rational number is a number that can be expressed as a fraction where both the numerator and denominator are integers.
- √196 is a rational number because it simplifies to 14/1, which is a fraction where both the numerator and denominator are integers.
- Options B and C are irrational numbers because they cannot be expressed as fractions.
- Option A is a repeating decimal, which can be rational if it eventually settles into a repeating pattern, but without further information, it is not clear if this is the case.

Test: Number Systems - 1 - Question 6

If 146! Is divisible by 5n, and then find the maximum value of n.

Detailed Solution for Test: Number Systems - 1 - Question 6

Required answer,

Note:
We have taken integral value only, not the fractional.
For example 146/5 = 29.2 but we have taken 29 and so on.

Test: Number Systems - 1 - Question 7

Detailed Solution for Test: Number Systems - 1 - Question 7

Test: Number Systems - 1 - Question 8

(5+√8)+(3−√2)(√2−6) is

Detailed Solution for Test: Number Systems - 1 - Question 8


And we know that the value of 11√2 is greater than 15 so it's value will be positive, And also sum or differences of rational and irrational is irrational

Test: Number Systems - 1 - Question 9

√8+2√32−5√2 is equal to

Detailed Solution for Test: Number Systems - 1 - Question 9

Test: Number Systems - 1 - Question 10

Every rational number is

Detailed Solution for Test: Number Systems - 1 - Question 10

Every rational number is a real number. Real Number is a set of numbers formed by both Rational and Irrational numbers are combined.

Test: Number Systems - 1 - Question 11

The simplest form of   is

Detailed Solution for Test: Number Systems - 1 - Question 11

Test: Number Systems - 1 - Question 12

(125/216) -1/3 =

Detailed Solution for Test: Number Systems - 1 - Question 12

Test: Number Systems - 1 - Question 13

8√15 ÷ 2√3

Detailed Solution for Test: Number Systems - 1 - Question 13

Test: Number Systems - 1 - Question 14

Ifn x = 3+2√2, then the value of 

Detailed Solution for Test: Number Systems - 1 - Question 14


Test: Number Systems - 1 - Question 15

Decimal representation of a rational number cannot be 

Detailed Solution for Test: Number Systems - 1 - Question 15

A non-terminating, non-repeating decimal is a decimal number that continues endlessly, with no group of digits repeating endlessly.

Decimals of this type cannot be represented as fractions, and as a result, are irrational numbers.

Test: Number Systems - 1 - Question 16

The simplest form of  is

Test: Number Systems - 1 - Question 17

If 3x + 64 = 26 + (√3)8, then the value of ‘x’ is 

Detailed Solution for Test: Number Systems - 1 - Question 17

Test: Number Systems - 1 - Question 18

If x1/12 = 491/24, then the value of ‘x’ is

Detailed Solution for Test: Number Systems - 1 - Question 18

Test: Number Systems - 1 - Question 19

The value of (0.00032)-2/5 is

Detailed Solution for Test: Number Systems - 1 - Question 19

Test: Number Systems - 1 - Question 20

The decimal representation of an irrational number is

Test: Number Systems - 1 - Question 21

A number which can neither be expressed as a terminating decimal nor as a repeating decimal is called

Test: Number Systems - 1 - Question 22

The value of  is 

Detailed Solution for Test: Number Systems - 1 - Question 22

Test: Number Systems - 1 - Question 23

Which of the following is a rational number?

Detailed Solution for Test: Number Systems - 1 - Question 23

0 is an integer and all integers are rational numbers.

Test: Number Systems - 1 - Question 24

The value of  is 

Detailed Solution for Test: Number Systems - 1 - Question 24



44 videos|412 docs|55 tests
Information about Test: Number Systems - 1 Page
In this test you can find the Exam questions for Test: Number Systems - 1 solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Number Systems - 1, EduRev gives you an ample number of Online tests for practice

Top Courses for Class 9

44 videos|412 docs|55 tests
Download as PDF

Top Courses for Class 9